stalls
balcony
an area of seats at an upper level in a theatre
the gods
the seats in a theatre that are at the highest level and the furthest distance from the stage
box
a small area with seats that is separate from the other seats in a theatre
dress circle
the first level of seats above the main floor in a theatre
safety curtain
a curtain made of material that will not burn that comes down between the stage and the part where people sit to prevent any possible fire from spreading
proscenium arch
a structure, consisting of a curved top on two supports separating the stage from the auditorium