Glossary

Shipping & trade terms

Over 300 freight, customs and port terms in plain English. Search, or jump by letter, and tap any term to expand it.

333 terms.

A

  • Abandonment

    Goods left unclaimed or uncollected, often after incorrect paperwork, customs delays or a refused delivery. It can trigger extra storage costs and disputes.

  • Accessorial Charges

    Extra charges for services beyond standard transport, such as liftgate use, waiting time or inside delivery.

  • Additional Commercial Invoice

    An extra commercial invoice giving further detail when the standard invoice is not enough, for example with multiple suppliers or shipment changes.

  • Advice of Shipment

    A notice from the seller telling the buyer that goods have been dispatched, with the date, carrier, tracking number and expected delivery.

  • AEO (Authorised Economic Operator)

    A customs certification for compliant, secure traders that gives faster clearance and fewer inspections.

  • Aggregate Tender Rate

    The average cost of moving goods across several transport modes, used to compare freight strategies.

  • Aggregated Shipments

    Several smaller shipments combined into one larger shipment to access lower bulk rates and cut handling.

  • AGV (Automated Guided Vehicle)

    A driverless vehicle used in automated terminals to move containers between the quay and the yard.

  • Air Freight Forwarder

    A forwarder that arranges the movement of goods by air, handling customs, documents and delivery between shipper and consignee.

  • Air Waybill (AWB)

    The main air freight document. It is the contract of carriage between shipper and airline and a receipt for the goods.

  • AIS (Automatic Identification System)

    A mandatory vessel transponder that broadcasts a ship's identity, position, speed and course.

  • Alameda Corridor Surcharge

    A US charge that recovers the cost of the Alameda rail corridor linking the Los Angeles and Long Beach ports to inland terminals.

  • Alternative Rates

    Flexible freight pricing that adjusts to volume, distance and market conditions.

  • Anchorage

    A water area near a port where vessels wait at anchor before a berth is assigned.

  • Apparent Good Order

    Goods that look to be in satisfactory condition on a visual check at handover. Noted on documents such as the bill of lading; it does not cover hidden defects.

  • Arrival Notice

    A document telling the consignee a shipment is about to arrive, with the details and paperwork needed to clear and collect it.

  • ASYCUDA (Automated System for Customs Data)

    A UNCTAD customs system that automates declarations and speeds up clearance. Used by many customs administrations across Africa.

  • ATA (Actual Time of Arrival)

    The confirmed time a vessel or cargo actually arrived.

  • ATA Carnet

    An international customs document that allows temporary import of goods such as samples, professional equipment or exhibition items without paying duty, valid up to a year across many countries.

  • ATB (Actual Time of Berthing)

    The exact time a vessel is secured at its berth, which starts port operations and laytime.

  • ATD (Actual Time of Departure)

    The confirmed time a vessel actually departed.

B

  • Backfreight

    The return shipment of goods to origin or another location, often after damage, excess stock or returns.

  • BAF (Bunker Adjustment Factor)

    A surcharge that recovers changing marine fuel (bunker) costs.

  • BAPLIE (Bayplan / Stowage Plan Message)

    An electronic message showing the exact position of every container on a vessel, used for crane planning and stability.

  • Basin Port

    A port where berths sit around an enclosed tidal basin, giving calm water but needing lock access.

  • BEAM (Vessel Beam)

    The maximum width of a vessel, which limits the locks, canals and berths it can use.

  • Beneficial Cargo Owner (BCO)

    The company that actually owns the goods being shipped and deals directly with carriers on rates and logistics.

  • Berth

    The place at a quay or pier where a vessel moors to load or discharge, defined by its length, depth and crane coverage.

  • Berth Occupancy Rate

    A measure of how much of the time a berth is in use. Too high signals congestion; too low signals underuse.

  • Berth Planner

    The operational role that assigns vessels to berths based on size, draft, crane needs and schedule.

  • Bill of Entry (BOE)

    A customs declaration filed when goods arrive, required for assessment, duty payment and clearance.

  • Bill of Exchange

    A written order for one party to pay a set amount to another, on demand or at a future date. Used to settle trade payments.

  • Bill of Health

    A certificate confirming a vessel is free of contagious disease, needed to enter certain ports.

  • Bill of Lading (B/L)

    A document issued by the carrier to the shipper that is a receipt for the goods, a document of title, and the contract of carriage.

  • Bill-to Party

    The party responsible for paying the transport charges, which can differ from the shipper or the receiver.

  • Binding Origin Information (BOI)

    An official customs ruling that confirms the origin of goods for tariff purposes.

  • Bollard

    A heavy post on the quay that secures a vessel's mooring lines.

  • Booking Fee

    A carrier or forwarder charge for processing a shipment booking.

  • Break Bulk Cargo

    Large or heavy items shipped individually rather than in containers, such as machinery or vehicles.

  • Breakbulk (BBK)

    Non-containerised cargo shipped as individual units, such as machinery, steel coils or lumber. Needs specialised vessels and handling.

  • Bulk Cargo

    Large unpackaged quantities of goods such as grain, coal or oil, moved loose in specialised vessels or vehicles.

  • Bulk Freight Container

    A specialised container for large quantities of goods, in dry, liquid, refrigerated or open-top types.

  • Bulkhead

    A partition inside a container or vehicle that restrains and protects cargo from moving in transit.

C

  • Cargo Data Declaration Fee

    A charge for filing the advance cargo data that customs requires before arrival.

  • Cargo Insurance

    Insurance covering loss of or damage to goods while in transit.

  • Cargo Manifest

    A full list of all cargo in a shipment, with descriptions, quantities and consignor and consignee details. Used for customs and safety.

  • Carnet

    A customs document that works like a passport for goods, allowing tax-free temporary movement across borders.

  • Carrier Security Fee

    A carrier charge that recovers the cost of security measures applied to a shipment.

  • CBM (Cubic Meter)

    The standard unit of cargo volume, used in LCL pricing and container planning.

  • Certificate of Insurance (COI)

    A document confirming an insurance policy is in place to cover specific risks.

  • Certificate of Origin

    A document stating the country where goods were produced. It affects duties and trade-agreement eligibility.

  • CFR (Cost and Freight)

    Incoterm where the seller pays freight to the destination port but risk passes at loading. Sea and inland waterway only.

  • Channel (Navigational Channel)

    The waterway leading vessels into port, defined by width, depth and turning room, which limits the vessel size a port can take.

  • Chassis Usage Fee

    A charge for using the wheeled chassis that carries a container by road.

  • CI (Commercial Invoice)

    The main financial document in trade. Issued by the seller, it is used by customs to assess duty and verify value.

  • CIF (Cost, Insurance and Freight)

    As CFR but the seller also buys minimum cargo insurance. Sea and inland waterway only. Common in letter-of-credit trade.

  • CIP (Carriage and Insurance Paid To)

    As CPT but the seller also buys comprehensive cargo insurance. Suitable for all transport modes.

  • COC (Carrier Owned Container)

    A container owned or leased by the shipping line, the most common arrangement in international trade.

  • Combined Transport

    Movement of goods by several transport modes under one arrangement without handling the goods at each change. Also called intermodal transport.

  • Combined Transport Bill of Lading

    A single bill of lading covering carriage across multiple transport modes under one contract.

  • Consolidation Fee

    A charge for combining smaller loads into one larger shipment to save on transport cost.

  • Consolidator

    A party that combines multiple small shipments into one larger consignment to secure cheaper freight rates.

  • Consular Invoice

    An invoice certified by the destination country's consulate, required by some countries to verify a shipment's contents and value.

  • Container Cleaning Fee

    A charge for cleaning a container after use, especially after dirty or contaminating cargo.

  • Container Freight Station (CFS)

    A facility near a port where cargo is consolidated or deconsolidated, held and cleared, often for LCL cargo.

  • Container Fumigation Fee

    A charge for fumigating a container or its contents to meet pest-control rules.

  • Container Stuffing List

    A detailed inventory of what is loaded into a container, by item, quantity and weight.

  • Container Terminal

    A port facility that transfers containers between ships, trucks and trains.

  • Container Yard (CY)

    The area at or near a terminal where containers are stored, stacked and prepared for loading or collection.

  • Country of Origin Marking

    A mark on a product showing where it was made or substantially transformed.

  • CPT (Carriage Paid To)

    Incoterm where the seller pays freight to the destination but risk passes to the first carrier. Suitable for all modes.

  • Crane Intensity

    The number of quay cranes working one vessel at the same time. More cranes mean faster turnaround.

  • Currency Adjustment Factor (CAF)

    A surcharge that covers exchange-rate movement on a trade lane.

  • Customs Bond

    A financial guarantee that duties, taxes and penalties owed to customs will be paid.

  • Customs Clearance

    The formal process where customs reviews and approves cargo for import or export, including document checks and duty assessment, before release.

  • Customs Declaration (CUSDEC)

    A formal statement to customs of the nature, value and origin of goods, the basis for duty assessment.

  • Customs Duty

    A tax charged by customs on imported, and sometimes exported, goods, based on their classification and value.

  • Customs Invoice

    An invoice detailing a shipment's contents, value and terms so customs can assess duty and tax.

  • Cut-Off (Cargo Cut-Off)

    The latest time cargo or documents must reach the terminal for a specific sailing.

  • Cycle Time

    The total time to move goods from origin to destination, covering order processing, transit and delivery.

D

  • DA (Documents Against Acceptance)

    The bank releases shipping documents when the buyer accepts a bill of exchange to pay at a future date. Higher risk for the seller.

  • Dangerous Goods (DG)

    Cargo classed as hazardous, needing special packing, labelling, declaration and stowage.

  • Dangerous Goods Declaration (DGD)

    A required document for hazardous cargo declaring its class, packing and handling per the IMDG Code.

  • DAP (Delivered at Place)

    Incoterm where the seller delivers goods ready for unloading at the destination, bearing all risk and cost except import duty. All modes.

  • DDC (Destination Delivery Charge)

    A charge covering handling and moving a container at the destination for onward delivery.

  • DDP (Delivered Duty Paid)

    Incoterm of maximum seller obligation. The seller bears all cost and risk including import duty and tax to the destination.

  • Deadweight Tonnage (DWT)

    The total weight a vessel can carry, including cargo, fuel, crew and stores. A key capacity measure for bulk carriers.

  • Declared Value Coverage

    A shipper-declared value that raises the carrier's liability limit for a shipment. It is not full insurance.

  • Deconsolidation

    Splitting a bulk shipment into smaller parcels at a hub for onward delivery.

  • Delivery Fee

    A charge for the final delivery of cargo to the consignee's address.

  • Delivery Order

    A document from the carrier authorising release of cargo to a named party. Needed to collect goods and clear customs.

  • Demurrage

    A charge for keeping a container or chartered vessel at the port beyond the agreed free time.

  • Detention

    A charge when a shipper or receiver holds a carrier's container or equipment beyond the free time allowed for loading or unloading.

  • Devanning

    Unloading cargo out of a container for storage or onward distribution. Also called unstuffing.

  • Disbursement Service Fee

    A fee for a shipping company paying costs such as port charges or duties on behalf of the importer or exporter.

  • Dock Receipt

    A receipt confirming export cargo has been received at the dock in good condition before loading.

  • Documents Against Payment (DP)

    The bank releases shipping documents only when the buyer pays in full. The buyer cannot clear the goods without paying first.

  • Dolphin

    An independent marine mooring structure, separate from the main quay, used for very large vessels.

  • Draft (Draught)

    The depth of a vessel below the waterline to the lowest point of the keel, which decides the berths and channels it can use.

  • Drayage

    Short-distance road transport of containers, typically between a port and a nearby warehouse or depot.

  • Dry Dock

    A dockside structure drained of water for ship repair, cleaning and inspection.

  • Dry Port

    An inland facility that clears customs and handles containers, extending port services inland. Also called an inland container depot.

E

  • E2 (Import Entry Acceptance Advice)

    A customs notice confirming an import declaration has been received and processed. It does not mean duty is paid or cargo released.

  • EBS (Emergency Bunker Surcharge)

    A surcharge lines apply to recover a sudden rise in fuel cost.

  • EDI (Electronic Data Interchange)

    The structured computer-to-computer exchange of standard shipping documents between parties.

  • Electronic Shipping Instruction (ESI)

    A digital instruction from shipper to carrier with the cargo and transport details.

  • Entry Form

    A document that captures the information needed to declare and track goods through customs.

  • Environment Fee

    A charge that recovers the cost of environmental compliance and handling, often applied at destination.

  • Equipment Interchange Receipt (EIR)

    A document recording the condition and handover of a container between parties, to settle responsibility.

  • ERP (Enterprise Resource Planning)

    Integrated business software for finance, procurement and operations, often linked to a terminal's operating system.

  • ETA (Estimated Time of Arrival)

    The projected date and time a vessel, truck or cargo is expected to arrive.

  • ETB (Estimated Time of Berthing)

    The projected time a vessel will berth at its assigned quay, used to schedule resources.

  • ETD (Estimated Time of Departure)

    The projected date and time a vessel is expected to leave port.

  • Exception Rate

    A special freight rate used when normal pricing does not fit unusual cargo or delivery needs.

  • Expected Receipt Date (ERD)

    The anticipated day goods will arrive at their destination.

  • Expedited Freight

    A premium shipping service built for speed and urgent deliveries.

  • Export Control Classification Number (ECCN)

    A code that classifies items under export-control law and shows whether an export licence is needed.

  • Export Declaration

    A legal document giving detailed information on goods being exported, for customs and compliance.

  • Export Licence

    A government permit to export specific goods to a specific destination.

  • Exporter Identification Number (EIN)

    A unique number identifying a business that exports, used for customs and tracking.

  • Express B/L

    A bill of lading that acts mainly as a receipt and lets cargo be released at destination without an original, speeding up delivery.

  • EXW (Ex Works)

    Incoterm where the seller only makes goods available at their premises and the buyer bears all cost and risk from there. Minimum seller obligation.

F

  • FAS (Free Alongside Ship)

    Incoterm where the seller delivers goods alongside the vessel and the buyer takes cost and risk from there. Sea and inland waterway only.

  • FCA (Free Carrier)

    Incoterm where the seller delivers goods to a named carrier at a set place and risk passes there. Suitable for all modes.

  • FDA (Final Disbursement Account)

    The final invoice of all port-call costs, issued by the ship agent after the vessel departs.

  • Feeder

    A smaller vessel that moves containers between smaller ports and major hub ports.

  • Feeder Ports

    Smaller regional ports connected to large hub ports through feeder services.

  • Feeder Service

    A sea service moving containers between smaller ports and hub ports using feeder vessels. Berbera is served by feeders from hubs such as Jebel Ali and Salalah.

  • Fill Rate

    The share of customer demand met from available stock without delay or backorder.

  • Finger Pier

    A pier that extends into the water so vessels can berth on both sides.

  • Flat Rack Container (FR)

    A container with collapsible ends and no roof or sides, used for oversized or heavy cargo such as machinery or vehicles.

  • FOB (Free On Board)

    Incoterm where the seller loads goods onto the vessel and risk passes on board. Sea and inland waterway only. Common in bulk and break-bulk trade.

  • Force Majeure

    Unforeseen events beyond a party's control, such as disasters, strikes or port closures, that prevent meeting contract obligations.

  • Fourth-Party Logistics (4PL)

    A logistics integrator that manages a whole supply chain for a client, including several 3PL providers and systems.

  • Free In / Liner Out (FILO)

    Terms where the shipper pays loading costs at origin and the carrier pays unloading costs at destination.

  • Free Pratique

    Health clearance confirming a vessel has no infectious disease on board, required before crew go ashore and before cargo work.

  • Free Trade Zone (FTZ)

    An area where goods can be stored, processed and re-exported with reduced, deferred or zero customs duty.

  • Freight Claim

    A formal demand for compensation from a carrier for cargo lost, damaged or delayed in transit.

  • Freight Collect

    Terms where the consignee pays the transport charges at destination rather than the shipper at origin.

  • Freight Forwarder

    A logistics provider that arranges the movement of cargo for shippers, coordinating transport, documents and customs.

  • Full Container Load (FCL)

    A shipping method where a container is used for one shipper's cargo only. Suited to large or high-volume shipments.

  • Full Truck Load (FTL)

    A shipment that fills an entire truck for one shipper. Faster and more direct than LTL.

  • Fumigation Certificate

    A document confirming a shipment or its packaging has been treated to kill pests, often required for wood packing and agricultural goods.

G

  • Gangway

    A temporary bridge or ramp from a vessel's deck to shore, for crew and officials during a port call.

  • Garment on Hanger (GOH)

    A method of shipping garments hung rather than folded, to reduce creasing and speed store replenishment.

  • Gate Operations

    The management of truck entry and exit at a terminal, including scanning, inspection and receipt issue. A key efficiency bottleneck.

  • Gate Out

    The moment a container leaves a terminal or depot through the gate, a tracking milestone used to time storage and demurrage.

  • Gating In

    The moment a container enters a terminal or depot through the gate and is logged in the system.

  • General Order (GO)

    A status for cargo not cleared and released in the required time at the port. It may be moved to bonded storage and incur extra fees.

  • General Rate Increase (GRI)

    A blanket rise in base freight rates announced by lines, often ahead of peak seasons.

  • GPS (Global Positioning System)

    Satellite positioning used to track vessels, cranes, yard vehicles and containers.

  • Gross Tonnage (GT)

    A measure of a vessel's total enclosed volume, used to calculate port dues, pilotage and canal tolls.

  • Gross Weight (GW)

    The total weight of goods including all packaging and the container.

H

  • Harbor Maintenance Fee (HMF)

    A US federal fee on imports moving through US ports, funding harbour maintenance.

  • Harbour Master

    The senior marine official responsible for safe navigation and vessel movements in port waters.

  • Harmonized System Code (HS Code)

    A global numerical code that classifies traded products and sets the applicable tariff, statistics and controls.

  • Haulage

    Moving goods by road or rail.

  • Hazardous Materials (HAZMAT)

    US term for dangerous goods, covering flammable, toxic, corrosive and explosive materials.

  • Heavy Lift Surcharge

    An extra charge for moving exceptionally heavy cargo that needs special equipment and handling.

  • High Cube Non-Functioning Reefer (HNOR)

    A refrigerated container that no longer cools, used as a standard high-cube box.

  • Hinterland

    The inland area a port serves, its cargo catchment zone. Ports compete for hinterland share on connectivity and price.

  • House Air Waybill (HAWB)

    An air waybill issued by a freight forwarder to the shipper, as a receipt and terms of carriage between them.

  • House Bill of Lading (HBL)

    A bill of lading issued by a freight forwarder to the shipper, distinct from the Master B/L issued by the shipping line.

  • HSE (Health, Safety and Environment)

    The mandatory framework covering worker safety, accident prevention and environmental compliance in port operations.

  • Hustler

    A terminal vehicle that moves trailers within a yard's tight spaces. Also called a terminal tractor.

I

  • IMDG Code (International Maritime Dangerous Goods)

    The IMO code governing safe sea transport of hazardous cargo, setting packing, labelling and stowage rules.

  • Import Cargo Manifest (ICM)

    A document listing goods entering a country, essential for customs clearance.

  • Importer Security Filing (ISF)

    A requirement for importers to send shipment details to customs before sea loading, common on US-bound cargo.

  • Incoterms

    Standard trade rules from the ICC that set who pays for and bears the risk of each stage of delivery between buyer and seller.

  • Inland Bill of Lading

    A contract and receipt between shipper and carrier for surface transport by road or rail.

  • Inland Container Depot (ICD)

    An inland facility authorised for customs clearance of containers, which eases congestion at seaports. Also called a dry port.

  • Inland Haulage Charges (IHC)

    Charges for moving cargo between a port and an inland point by road or rail.

  • Insurance Certificate

    Proof that insurance cover is in place for a shipment, summarising the type, limit and duration.

  • Integrated Carriers

    Providers offering end-to-end logistics under one roof, from collection through transport and warehousing to delivery.

  • Intermodal Transport

    Moving goods in one container across several transport modes for efficiency and lower cost.

  • International Maritime Organization (IMO)

    The UN agency that regulates international shipping for safety, environmental protection and security.

  • Interruption of Transit Coverage

    Insurance covering delay caused by events such as strikes, accidents or disasters during transit.

  • ISO 14001

    The international standard for environmental management systems, increasingly required in port concessions.

  • ISO 45001

    The international standard for occupational health and safety management, which replaced OHSAS 18001 in 2018.

  • ISPS Code (International Ship and Port Facility Security)

    An IMO framework setting mandatory security requirements for ships and port facilities. ISPS charges recover the compliance cost.

J

  • Jetty

    A structure extending from the shore into the water for vessel berthing, often for tankers, ferries or bulk cargo.

K

  • Keel

    The lowest structural member of a vessel along its centreline, the reference point for draft measurement.

  • Key Performance Indicator (KPI)

    A measurable metric of port or terminal performance, such as moves per hour, berth occupancy or dwell time.

L

  • Landed Cost

    The full delivered cost of goods, including purchase price, freight, insurance, duty, tax and handling.

  • Last-Mile Delivery

    The final stage of delivery, from a local hub to the customer's door.

  • Length Overall (LOA)

    The full length of a vessel from bow to stern, key for berth allocation and port access.

  • Less than Container Load (LCL)

    Cargo that does not fill a container. Several shippers share one box, grouped and split by a consolidator.

  • Less-Than-Truckload (LTL)

    Road freight that shares a truck with other shippers' goods, cheaper than a full truck for small loads.

  • Letter of Credit (LC)

    A bank guarantee that the seller is paid once shipment conditions are met, one of the most secure trade payment methods.

  • Letter of Indemnity (LOI)

    A document by which one party indemnifies another against a risk, often used to release cargo without an original B/L.

  • Liftgate Fee

    A charge for using a truck's hydraulic lift to load or unload where there is no loading dock.

  • Liquefied Natural Gas (LNG)

    A low-emission alternative marine fuel. Adoption is rising under IMO decarbonisation targets and needs special bunkering.

  • Liquefied Petroleum Gas (LPG)

    Propane or butane shipped in liquid form under pressure in pressurised tankers, needing dedicated terminal storage.

  • Logistics Corridor

    An integrated road, rail and port route linking production zones to markets. Ports on major corridors, such as the Horn of Africa, gain a competitive edge.

M

  • Main Line Operators (MLO)

    Shipping lines that own and run vessels on major trade routes.

  • Manifest

    A shipping document listing all cargo on a vessel or vehicle, used for customs and inventory.

  • Marginal Wharf

    A quay built parallel to the shore, the most common berth layout in modern container terminals.

  • MARPOL

    The main IMO convention preventing pollution from ships, covering oil, garbage, sewage and air emissions.

  • Master B/L (MBL)

    A bill of lading issued by the ocean carrier to a freight forwarder or NVOCC. It is a receipt, contract and title document.

  • Merchandise Processing Fee (MPF)

    A US customs fee for processing imports.

  • Minimum Quantity Commitment (MQC)

    A shipper's contractual promise to move a minimum cargo volume with a carrier over a period, usually in exchange for better rates.

  • MIS (Management Information System)

    A system that aggregates operational data into dashboards, KPI reports and forecasts for decisions.

  • Mobile Harbour Crane (MHC)

    A self-propelled crane for ports without fixed quay cranes, able to handle containers, bulk and project cargo.

  • Mooring

    Securing a vessel to a berth using mooring lines attached to bollards.

  • Moves Per Hour (MPH)

    The main crane-productivity metric, the number of container lifts completed per crane per hour.

  • Multi-Purpose Terminal

    A terminal that handles several cargo types: containers, bulk, breakbulk, RoRo and project cargo. Common in regional hub ports.

N

  • Net Register Tonnage (NRT)

    A measure of a vessel's revenue-earning cargo volume, used in some port and canal dues.

  • Net Weight (NW)

    The weight of the goods only, excluding packaging. Used on invoices and for duty.

  • Non-Negotiable Bill of Lading

    A B/L that is a receipt only. Ownership does not transfer and only the named consignee can take delivery.

  • Non-Reimbursement Statement

    A statement setting out costs that will not be refunded, to clarify responsibility and avoid disputes.

  • Notice of Readiness (NOR)

    A formal notice from the vessel that it is ready to load or discharge, which starts the laytime clock.

  • Notify Party

    The party told when a shipment arrives, for coordination. It can differ from the consignee.

  • NVOCC (Non-Vessel Operating Common Carrier)

    A carrier that sells ocean transport and issues its own bill of lading but does not own the ships, buying space from the lines.

O

  • Ocean Freight

    Moving large volumes of goods by sea in containers. Cheaper than air but slower, with cost driven by distance, volume and surcharges.

  • Ocean Transport Intermediary (OTI)

    A party such as a freight forwarder or NVOCC that arranges ocean shipping between shipper and carrier.

  • Ocean Waybill

    A non-negotiable sea transport document that acts as receipt and contract and needs no original to release cargo.

  • Offshore Berth

    A berth away from the quay where cargo is transferred by barges or lighters, used where depth or quay space is limited.

  • OHSAS 18001

    The former occupational health and safety standard, replaced by ISO 45001 in 2018.

  • Open Top Container (OT)

    A container with a removable tarpaulin roof, for cargo too tall to fit through standard doors.

  • Optical Character Recognition (OCR)

    Camera technology at gates and cranes that automatically reads container and plate numbers, cutting manual entry.

  • Order Management System (OMS)

    Software that manages customer orders from creation to fulfilment.

  • Origin / Destination Booking Services (OBK / DBK)

    Services that manage shipment bookings from origin to final destination.

  • Origin Charge Catalogue (OCC)

    A list of the origin-side costs in a shipment, such as loading, terminal handling and documentation.

  • Origin Motor Terminal (OMT)

    The road-transport start point where goods are collected, consolidated and loaded for distribution.

  • Original Bill of Lading (OBL)

    The original B/L acting as receipt, contract and proof of ownership, needed to claim goods at destination.

  • OSHA (Occupational Safety and Health Administration)

    The US workplace-safety regulator, referenced in many port safety frameworks.

  • Out-of-Gauge Cargo

    Cargo too large for a standard container, needing flat racks or open-top containers.

  • Outer Port Limits (OPL)

    The boundary where vessels must report to port authorities before entering the approach channel.

P

  • Packing List (PL)

    A document listing every item in a shipment by package, quantity, dimensions and weight. Accompanies the commercial invoice.

  • Pallet Charge

    A fee for the use, rental or handling of pallets in shipping.

  • Panama Transit Fee

    The toll for passing through the Panama Canal, based on vessel size and cargo.

  • Peak Season Surcharge (PSS)

    An extra charge during high-demand periods when vessel space is tight.

  • Personal Protective Equipment (PPE)

    Required safety gear for port workers, such as hard hats, hi-vis vests and steel-toe boots.

  • Pickup Fee

    A charge for collecting cargo from the shipper's location.

  • Pierpass Charge

    A US charge at the Los Angeles and Long Beach ports that supports off-peak truck gates to ease congestion.

  • Pilot (Marine Pilot)

    A licensed navigator who boards vessels to guide them through channels and berths. Pilotage is compulsory in most ports.

  • Port Authority

    The statutory body responsible for port governance, safety regulation and infrastructure.

  • Port Community

    The full set of stakeholders around a port: lines, terminals, agents, customs, forwarders, truckers and banks.

  • Port Community System (PCS)

    A shared digital platform that connects the port community to exchange data.

  • Port Competition

    Competition between ports for cargo, vessel calls and hinterland share, on price, speed, draft and connectivity.

  • Port Congestion Surcharge (PCS)

    An extra charge lines apply when a port is congested and vessels are delayed.

  • Port Declaration

    A legal document for goods entering or leaving a port, with vessel, cargo and customs details.

  • Port Filings

    Documentation ships submit at ports covering vessel, cargo and crew, for customs, security and environmental rules.

  • Port of Loading (POL)

    The place where cargo is loaded onto the vessel for an international shipment.

  • Port Storage

    A charge for storing cargo at the port beyond the allowed free time.

  • Pre-Trip Inspection

    A safety check of a vehicle before a journey, covering brakes, lights, tyres and fluids.

  • Proforma Disbursement Account (PDA)

    The ship agent's advance estimate of all port-call costs before the vessel arrives.

  • Proforma Invoice

    A preliminary invoice outlining goods, prices and terms before the sale is finalised. Used to support agreements and financing.

  • Proof of Delivery (POD)

    Confirmation that goods were delivered, usually with the recipient's signature, date and condition.

  • Public-Private Partnership (PPP)

    An arrangement where government provides land or infrastructure and a private operator runs the terminal.

Q

  • Quay

    A platform built along the shoreline for loading and unloading ships.

  • Quay Crane / Ship-to-Shore Crane

    The large rail-mounted crane at the quayside that loads and discharges containers, rated by reach and lift capacity.

R

  • Rail Mounted Gantry Crane (RMG)

    A yard gantry crane running on fixed rails, with higher stacking capacity than an RTG.

  • Railhead

    The end of a rail line where goods are unloaded for onward transport.

  • Railway Waybill

    A rail transport document that is both contract and receipt, with sender, receiver and routing details.

  • Rate Agreement

    A contract fixing transport terms and rates between shipper and carrier for a set period.

  • Rate of Turnaround (ROT)

    The time a vessel spends in port from arrival to departure. Shorter turnaround means higher efficiency.

  • Reach Stacker

    A wheeled machine that lifts and stacks containers, used in smaller terminals, depots and rail yards.

  • Received for Shipment Bill of Lading

    A B/L confirming the carrier has received the goods but not yet loaded them onto the vessel.

  • Reefer

    A refrigerated container with its own cooling unit for temperature-sensitive goods.

  • RFID (Radio Frequency Identification)

    Wireless tags used to automatically identify and track containers, equipment and vehicles.

  • Roll-on / Roll-off (Ro-Ro)

    A method for wheeled cargo such as cars, trucks and machinery, driven on and off the vessel using ramps.

  • Rolled Cargo

    Cargo not loaded on the intended vessel and rescheduled to a later sailing, causing delay. Common causes include overbooking and documentation errors.

  • Rubber Tyred Gantry Crane (RTG)

    A mobile yard crane on rubber tyres for stacking and moving containers.

S

  • Safety Management System (SMS)

    A structured framework to identify hazards and manage risk, required under the ISM Code for vessels.

  • Safety of Life at Sea (SOLAS)

    The IMO's main ship-safety treaty, covering construction, safety equipment and cargo, including VGM.

  • Said to Contain (STC)

    A note on shipping documents meaning the carrier received a container based only on the shipper's description, without verifying the contents.

  • Ship Agent (Port Agent)

    The shipowner's local representative who coordinates a vessel's port call, from berthing to disbursement accounting.

  • Shipper Owned Container (SOC)

    A container owned by the shipper rather than the shipping line, with the shipper managing positioning and return.

  • Shipper's Letter of Instruction (SLI)

    A document from the shipper telling the forwarder how the shipment should be handled and documented.

  • Shipping Instructions (SI)

    The shipper's instructions to the forwarder or carrier on how a shipment should be handled, documented and routed.

  • Shipping Order (S/O)

    A carrier document confirming space is booked and authorising delivery of cargo to the terminal.

  • Special Customs Invoice

    A detailed invoice used for customs, with item descriptions, values, origins and terms.

  • Special Economic Zone (SEZ)

    An area with special tax and customs rules and investment incentives, often anchored by a port.

  • Statement of Facts (SOF)

    The ship agent's timed record of events during a port call, used for laytime and demurrage calculations.

  • Stevedore

    The company or worker that physically loads and discharges cargo from vessels. Their efficiency drives vessel turnaround.

  • Stowage Plan (Bay Plan)

    A plan showing the exact placement of every unit of cargo on a vessel by bay, row and tier, used for stability and sequencing.

  • Straddle Carrier

    A vehicle that lifts containers by straddling them, used for transport and stacking in medium-sized terminals.

  • Supply Chain Management

    The management of the flow of goods and services, from raw materials through to finished-product delivery and returns.

  • Switch Bill of Lading

    A second set of B/L documents issued to change shipment details such as destination or shipper, without the original, requiring strict checks.

T

  • Tank Container (TK)

    A cylindrical tank in an ISO frame used to ship liquids, gases or powders, including food-grade products, chemicals and fuels.

  • TARE (Empty Container Weight)

    The weight of the container itself, empty, stencilled on the door. Used to work out the verified gross mass.

  • Telegraphic Transfer (TT)

    An electronic bank-to-bank transfer of funds, common in trade payments. Also called a wire transfer.

  • Telex Release

    An electronic confirmation that the original B/L has been surrendered, allowing cargo release without the physical document.

  • Terminal Handling Charge at Destination (DHC)

    The cost of handling a container at the destination terminal after arrival.

  • Terminal Handling Charges (THC)

    Terminal fees for handling a container at the port, covering loading, discharge and movement. Separate from ocean freight.

  • Terminal Handling Service at Origin (OHC)

    The cost of handling a container at the origin terminal before loading.

  • Terminal Operating System (TOS)

    Software that runs terminal operations, from vessel and yard planning to gate operations and billing.

  • Terminal Security Charge

    A terminal charge covering security screening and compliance at the port.

  • Terminal Tractor (Yard Truck)

    A vehicle that moves container chassis between the quay, yard blocks and gate. The workhorse of terminal operations.

  • Terms of Carriage

    The contract conditions setting the rights, duties and liabilities of carrier and customer for a shipment.

  • Third-Party Logistics (3PL)

    An outside provider that handles logistics functions such as transport, warehousing and fulfilment for a business.

  • Through Rates

    A single combined rate covering movement across more than one transport stage.

  • Throughput

    The total cargo volume a port or terminal handles in a period, the main measure of productivity.

  • TIR Carnet

    A customs transit document that lets sealed goods cross multiple borders with fewer inspections.

  • Total Cost of Distribution (TCD)

    The combined cost of storing and moving goods from the supply point to the customer.

  • Towage

    The tugboat service that helps vessels berth, unberth and manoeuvre in confined port waters.

  • Traffic Mitigation Fee

    A fee used at some ports to encourage off-peak gate use and reduce daytime congestion.

  • Transit Accompanying Document (TAD)

    A customs document that accompanies goods moving under a transit procedure across borders.

  • Transit Time (T/T)

    The total time from cargo departure at origin to arrival at destination. A key measure for comparing carriers and routes.

  • Transmittal Letter

    A short covering note sent with documents explaining what is enclosed and what action is needed.

  • Transshipment

    Transferring cargo from one vessel to another at a hub port without it entering the host country. Common at hubs such as Jebel Ali and Salalah.

  • Tugboat

    A powerful, highly manoeuvrable vessel that pushes and pulls large ships in confined port waters.

  • Twenty-foot Equivalent Unit (TEU)

    The standard unit for container capacity. One TEU is one 20-foot container.

U

  • Ultra Large Container Ship (ULCS)

    A very large container vessel, often above 18,000 TEU, that needs deep-water ports.

  • Ultra Large Crude Carrier (ULCC)

    A very large oil tanker, typically above 320,000 deadweight tonnes, used on long-haul routes.

  • Unclean Bill of Lading

    A B/L that notes problems such as damaged goods or poor packaging. Also called a claused bill.

  • Under Keel Clearance (UKC)

    The minimum gap between a vessel's keel and the seabed, critical in shallow-water ports.

  • Uniform Customs and Practice (UCP)

    ICC rules for documentary credits such as letters of credit, which standardise document handling.

  • Unit Load Device (ULD)

    Pallets and containers used to consolidate air-freight cargo for loading onto aircraft.

  • Unpacking Charges

    Charges for unpacking or stripping cargo out of a container.

  • Utilisation Rate

    A percentage measure of how effectively vehicles, vessels or equipment are used over a period.

V

  • Valuation Charges

    Carrier fees based on the declared value of goods, giving extra cover for loss or damage.

  • Value Added Tax (VAT)

    A consumption tax applied on imports in most countries, a key part of landed cost.

  • Verified Gross Mass (VGM)

    The confirmed weight of a packed container, mandatory before loading under SOLAS since 2016.

  • Vessel General Permit (VGP)

    A US permit governing vessel discharges into US waters, such as ballast and bilge water.

  • Vessel Manifest

    A full list of all cargo on a ship, used for customs verification and duty calculation.

  • Vessel Sharing Agreement (VSA)

    An arrangement where two or more shipping lines share space on each other's vessels on a trade lane.

  • Vessel Traffic Service (VTS)

    A shore-based system, like air traffic control for ships, that monitors and coordinates vessel movements in port approaches.

  • Volume Charge

    A fee based on the space cargo occupies.

  • Volume Rate

    A pricing model where cost is based on the space a shipment occupies rather than its weight.

  • Voyage

    A vessel's complete journey between ports, the base unit for scheduling and freight accounting.

W

  • War Risk Surcharge

    A surcharge for shipping through areas with a heightened risk of war or conflict.

  • Warehouse Fees

    Charges for storing and handling goods in a warehouse.

  • Weight Cargo

    Cargo priced mainly on its mass rather than its volume.

  • Weight Charge

    A cost based on the cargo's weight. In air freight the higher of actual and volumetric weight is used.

  • Wharfage

    A fee charged by a port for using its wharf to load or unload cargo.

  • World Customs Organization (WCO)

    The intergovernmental body that coordinates customs policy worldwide and runs the Harmonized System.

Y

  • Yard (Container Yard)

    The container storage area behind the quay, organised into blocks, rows, bays and tiers.

  • Yard Occupancy Rate (YOR)

    A measure of how full a terminal yard is at a given time. High levels signal congestion risk.

  • Yard Planner

    The role that pre-plans container placement in the yard to cut crane moves and reshuffles.

  • Yard Utilisation Rate

    The percentage of yard capacity currently occupied by containers, best kept below about 80 percent for efficiency.

Z

  • Zone Rate

    A pricing model that uses geographic zones to set shipping cost.

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