a "boxcar" refers to a type of enclosed freight railcar designed for the transportation of goods. It is a versatile and secure means of transporting a variety of commodities, such as packaged goods, machinery, and bulk materials, by rail. Boxcars typically have sliding or plug doors on the sides or ends, allowing for easy loading and unloading of cargo. They play a crucial role in intermodal transportation, offering a cost-effective and efficient mode of moving goods over long distances by rail.