Freight glossary

Plain-English definitions of the freight and logistics terms behind the calculators. Part of freightcalcs.com.

Nineteen of the most-searched shipping terms, grouped by topic. Each links to a fuller explanation with examples.

Charges, fees & delays

Accessorial chargesExtra carrier fees beyond the base line-haul rate — liftgate, detention, residential and more.

Demurrage vs detentionThe difference between demurrage and detention, and how to avoid both.

DrayageThe short-haul truck move between ports, rail ramps and warehouses.

Tare weightThe empty weight of a pallet, container or packaging — and why it affects billing.

Shipping modes & services

FCL vs LCLFull-container vs less-than-container ocean load, and when each is cheaper.

LTL vs FTLLess-than-truckload vs full-truckload: cost, speed and when to switch.

Floor loadingLoose-carton floor loading vs palletized freight — the trade-offs.

Cross-dockingMoving goods straight from inbound to outbound with little or no storage.

What is a 3PLWhat a third-party logistics provider does and when to use one.

Freight forwarder vs brokerHow a freight forwarder differs from a freight broker.

Pallets, cartons & packing

Skid vs palletThe difference between a skid and a pallet, and when each is used.

Pallet overhangWhy cartons hanging past the pallet edge cause damage and chargebacks.

Cube utilizationHow efficiently cargo fills the available cube — and the ~80% target.

Case packThe number of selling units packed in a single case.

Master cartonThe outer shipping carton that holds inner packs and units.

DunnageVoid-fill and bracing that protects freight in transit.

Documents & classification

Bill of ladingThe core shipping document (BOL): what it is and what it covers.

What is NMFCThe NMFC system that assigns LTL freight classes.

Weight or measureHow ocean LCL bills the greater of weight or measure (W/M).

Tools