The person who runs the show from backstage at every performance.
Stage manager
Any object handled by actors on stage.
Prop
A pulley system used to raise and lower actors and set pieces on stage.
Fly system.
To stand in a way that makes sure the audience can see you.
Cheat or cheating out.
A speech given by one character.
Monologue.
Artists who create the environments for the play.
Designer
A 2D set piece, usually made of wood and/or cloth and paint
Flat
Walkways above the theater where lights are hung.
Catwalks.
The smaller movement, such as reading a book, brushing hair, etc.
Business.
What a character wants, his/her goal.
The objective.
The person who brings the script to life on stage by giving instructions to the actors and techies.
Director
The sides of the stage out of view of the audience.
Wings
The part of the stage that sticks out when the main curtain is closed.
Apron
Any large movement by the actors.
Payments made to the author to get permission to do his/her play.
Royalties.
They do everything besides acting - build sets, run lights, make costumes, find props, etc.
Stage crew or "techies"
The backdrop, usually made of white cloth, that the lights shine on.
Cyc
The place where the lights and sounds are controlled.
Booth
The line or action that signals the next line or action.
Cue.
Lines between 2+ characters.
Dialogue.
A person who does theater.
Thespian
Another name for "the audience".
The house.
Where did the labels, "upstage" and "downstage" originally come from (what is the history of these terms)?
Originally, stages were slanted downward towards an audience so moving backwards on stage would be physically moving up and moving closer to the audience would be physically moving down.
To act without a script.
Improv/improvise.
To clear the set, costumes, and props from the stage after the final performance.
Strike