Wings- where the actors wait to go on stage
Sound booth- where the tech people deal with any audio or music
Pit- where a band might play during a performance
Prop room- where the props that aren’t used in the show are stored
Community hall- where the viewers wait for the show before sitting down, or after the show
Fly tower- used to quickly fly props, scenery, and actors
Trap room- an open space used for scenic effect
Repetition usually tells us that the someone wants a large emphasis on this word: that it has a significant meaning to them, and/or possibly the whole tale itself.
The answer would be: The thesis. Hope this helps!