A unit load device is a pallet or container used to load luggage, freight, and mail on wide-body aircraft and specific narrow-body aircraft. It allows a large quantity of cargo to be bundled into a single unit.
A term used to describe the transportation of small ocean freight shipments not requiring the full capacity of an ocean container – usually less than 20 CBM (cubic meters).
Forty-foot equivalent alludes to containerized cargo equal to one forty-foot (40 x 8 x 8 feet) or two twenty-foot (20 x 8 x 8 feet) containers. One FEU equals about 25 metric tons or 72 cubic meters.