theater — a building, part of a building, or outdoor area for housing dramatic presentations, stage entertainments, or motion-picture shows.
troupe — a company, band, or group of singers, actors, or other performers, especially one that travels about.
drama — a composition in prose or verse presenting in dialogue or pantomime a story involving conflict or contrast of character, especially one intended to be acted on the stage; a play.
dramatics — (used with a singular or plural verb) the art of producing or acting dramas.
dramaturgy — the craft or the techniques of dramatic composition.
footlights — Usually, footlights. Theater. the lights at the front of a stage that are nearly on a level with the feet of the performers.