The term 'theater lobby' is often used interchangeably with the word 'FOYER, ' which is a five-letter word. The theater lobby is the area of a theater where people wait before entering the auditorium. It is usually decorated in a way that reflects the theme of the theater, and it may contain concessions, restrooms, and other amenities. The theater lobby is also a place where people can socialize and interact with each other before the show begins.