theater [3]
Establishment built to present plays, shows, dance performances, concerts and so forth.
balcony
Area of the house located above the mezzanine.
seat
Armchair used to watch a performance.
side
row
Series of seats the same distance from the stage.
center
box
Small partitioned room that seats two or three people.
mezzanine
The floor above the parterre of the house.
parterre
The first floor of the house.