How is a container defined in the context of transportation?

The definition of a container in the context of transportation emphasizes its role in facilitating the unitization of cargo, allowing for ease of transfer between different modes of transport, such as from ship to truck or train. A container is specifically designed to be a rectangular structure that can efficiently hold various types of goods while ensuring that they can be easily loaded, unloaded, and transported over long distances. This design maximizes space and enhances security during transit.

In contrast, other options present definitions that either focus on temporary storage or specific uses. For instance, describing a container as a structure for temporary storage of goods overlooks its primary function in the transportation chain. Similarly, calling it a mobile warehouse simplifies the concept and misses the essential aspect of its design for easy, efficient transferability. Furthermore, defining a container as a vessel specifically for liquid transportation is too narrow, as containers are used for a broad range of cargo types, not limited to liquids. Hence, the emphasis on a rectangular design tailored for unit loads and transferability accurately captures the purpose and function of containers in transportation.