A freight terminal is a processing node for freight

Cargo

Cargo is goods or produce transported, generally for commercial gain, by ship, aircraft, train, van or truck. In modern times, containers are used in most intermodal long-haul cargo transport.-Marine:...

. Most freight terminals are located at port

Port

A port is a location on a coast or shore containing one or more harbors where ships can dock and transfer people or cargo to or from land....

s. They may include airport

Airport

An airport is a location where aircraft such as fixed-wing aircraft, helicopters, and blimps take off and land. Aircraft may be stored or maintained at an airport...

s, seaports, railroad terminals, and trucking terminals. Freight is usually loaded onto and off the transport. As most of the terminals are located at ports, one can see many large cargo boxes around the area.