theater [2]
Establishment built to present plays, shows, dance performances, concerts and so forth.
stage
The area seen from the house where the artists perform.
lights
Row of projectors set up above the proscenium.
stage curtain
Piece of fabric separating the stage from the house.
upstage
Area at the back of the stage whose set is often made to suggest distant places.
opposite prompt side
The right side of the stage, from the audience.
prompt side
The left side of the stage, from the audience.
border
Horizontal strip of fabric used to hide the parts of the flies that are visible from the house.