Apron – The area of the stage that extends past the proscenium
Auditorium – The area in a theater where the audience gathers
Border – The curtain that masks lighting equipment and the upper part of the stage
Center Stage – Also know as center – center, the middle of the stage
Legs – Sections of curtains the mask lighting equipment and the backstage area from the audience
Proscenium – The area that frames and separates the audience from the stage
Scrim – The thin light weight material, often white, that hides the back of the theater and is used in stage lighting to create mood
Wings – The area between the legs where performers enter and exit the stage.