A collective term for the people who work backstage and run the equipment needed for a show. This is also known as the technicians.

A set of clothes worn by an actor for a particular role.

The cast, crew and other staff associated with a show.

Combining the effects of two or more lighting gels: (1) Additive:Focusing two differently colored beams of light onto the same area, or (2) Subtractive: Placing two different gels in front of the same lantern.

A device used to hold a lighting instrument to a batten.

A complete control path for signals in lighting or sound equipment. On the lighting board, these are directly controllable by the lighting operator. They are 'patched' to a dimmer or dimmers.

Imaginary line running down the stage through the exact center of the proscenium opening.

Naturalistic setting of a complete room built from flats with only the side nearest the audience (the fourth wall) missing.

A narrow horizontal masking piece, normally black, to mask the lighting rig and flown scenery from the audience, and to provide an upper limit to the scene.