A board
B board
L
PBX
R
acting area
apron
apron stage
backstage
band shell
bandstand
board
bridge
coulisse
dock
dressing room
flies
fly floor
fly gallery
forestage
greenroom
grid
gridiron
lightboard
orchestra
orchestra pit
patchboard
performing area
pit
plugboard
proscenium
proscenium stage
shell
stage
stage left
stage right
telephone exchange
the boards
wings
central
exchange
central-office
dolly
hookup
magneto
receptionist
telegraph
telephone
transmitter
typewriter