Cases of word usage

1) one of several separate divisions of a structure e.g. of a railway carriage or coach (compartment)

2) a four-wheeled carriage pushed by hand, for a baby (pram)

3) a roofed vehicle used for carrying and delivering goods; (GB) a railway carriage for goods (van)

4) a carriage for sleeping in a train (as on European railways) (wagon-lit)