The person who brings the script to life on stage by giving instructions to the actors and techies.
Director
The place where the lights and sounds are controlled
Booth
The break between acts or scenes
Intermission
To stand in a way that makes sure the audience can see you
Cheat (Out)
To act without a script
Improv/Improvise
The person who runs the show from backstage at every performance.
Stage Manager
Clothing an actor wears to show a character
Any object handled by actors on stage
Prop
To move from one side of the stage to another
Cross
To act without words or props
Mime
They do everything besides acting - build sets, run lights, make costumes, find props, etc.
Techies or Stage Crew
A 2D set piece, usually made of wood and/or cloth and paint
Flat
The scenery, flats, backdrops, and furniture that make up the environment on stage
Set
The line or action that signals the next line or action
Cue
A speech given by one character
Monologue
Artists who create the environments for the play.
Designer
A pulley system used to raise and lower actors and set pieces on stage
Fly System
The sides of the stage out of view of the audience
Wings
What a character wants, his/her goal
Objective
Payments made to the author to get permission to do his/her play
Royalties
A person who does theater.
Thespian
The backdrop, usually made of white cloth, that the lights shine on
Cyc
The audience
House
The smaller movement, such as reading a book, brushing hair, etc.
Business
Walkways above the theater where lights are hung
Catwalks