Melodrama

What is a theatre green room? A green room is a space in a theatre that functions as a waiting room and lounge for performers before and after a performance or show when they are not on  stage

What is a proscenium arch theatre?  

A proscenium arch theatre is a vertical plane of space in a theatre usually surrounded on the top and sides by a physical proscenium arch and on the bottom by the stage floor itself, which serves as the frame into which the audience observes from a more or less.