Flats joined to the DS edge of flats of a set or unit that 'return' into the wings. They help mask and also keep the DS edge of a set from looking raw.

Any platform on stage. For instance, the series of platforms for choral presentations are called choral risers, the rostrum on which a drumkit and drummer is positioned is the drum riser.

A machine made to move personnel and equipment in a vertical direction. These lifts can handle any application that would normally require a ladder, tower or scaffolding. Scissor lifts enable operators to complete the same jobs faster and more securely without the setup time of other equipment, such as scaffolding or a tower, and without the dangerous instability of a ladder.

A phrase commonly used by to instruct rigging department that an instument or rigging is clear of obstructions or safety hazards and ready to move

Common work clothes such as black jeans, black shorts, black t-shirt and comfortable shoes

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All black business-casual attire, such as button-down shirt or polo, black slacks, and comfortable, black dress shoes. The black attire is meant to cause the show crew to blend into the background and stay invisible, not part of the action onstage.

Sidefills are generally larger, full range speaker systems placed off to the side of the stage. The purpose is to provide the performers a more enveloping and well balanced sound.

The path of the audio signal from its source to its output. In mixing, it's how the sound gets from an instrument or input to the audio console and what path the signal takes through the console before finally coming out of the speakers.

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The area of the stage to your left

A graphic representation that illustrates a band or performers setup for when they perform live which indicates their placement on stage, what gear they use, and other helpful information. It makes the load-in, setup, and sound check experience quick and efficient.