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Essential Technical Theatre Terms Explained

May 15, 2025

Glossary of Technical Theatre Terms

This document provides a glossary of terms used in technical theatre, essential for beginners and professionals alike. Below are some key terms and concepts:

Key Terms and Definitions

  • ABTT: Association of British Theatre Technicians, formed in 1961 to facilitate discussions among theatre professionals.

  • Act:

    1. Subdivision of a play, often split into scenes.
    2. What actors do, differentiating them from technical crew.
  • Acting Area: The space on stage where actors perform, visible to the audience.

  • Apron: Section of the stage that projects into the auditorium, also known as the forestage.

  • Arena: Stage format with audience on at least two sides; can have three or all four sides.

  • ASM: Assistant Stage Manager.

  • Audition: Process for performers to showcase their skills to a director or casting director.

  • Auditorium: Part of the theatre where the audience sits; also known as the "house."

  • Backstage: Areas out of the audience's view, including technical zones and personnel.

  • Black Box: A flexible studio theatre space, typically all in black, allowing for various audience configurations.

  • Blackout:

    1. Complete absence of stage lighting.
    2. Act of turning off stage lighting.
  • Blacks: Black clothing for stage management or black drapes used for masking.

  • Blocking: Arranging actor movements on stage, recorded in the prompt script.

  • Box Set: A naturalistic setting on stage with three walls, simulating a room.

  • Break a Leg: A phrase used instead of "Good Luck," which is considered bad luck.

  • Call: Notification for a working session or actor request to the stage.

  • Callbacks: Additional auditions for a shortlisted group of actors.

  • Cast: Members of the acting company.

  • Casting: Director's process of choosing actors for roles.

  • Centre Line: Imaginary line down the center of the stage, used for reference during set assembly.

  • Clearance: Message indicating the audience is ready for the performance to start.

  • Company: The cast, crew, and staff involved in a production.

  • Costumes: Clothing worn by actors, managed by the wardrobe department.

  • Cue: A command for a technical operation or signal for actors to perform an action.

  • Cue to Cue: Technical rehearsal skipping dialogue to focus on technical elements.

  • Cyclorama: A curved wall or cloth at the back of the stage, often used as a sky backdrop.

  • Dark: Theatre is closed to the public or has no scheduled performances.

  • Dialogue: Conversations between characters in a play.

  • Director: Responsible for the artistic vision and overall direction of a production.

  • Downstage: Part of the stage closest to the audience.

  • Dress Rehearsal: Full rehearsal with all technical and creative elements as in the actual performance.

  • Front of House (FOH): Theatre areas accessible to the public, including lighting focused towards the stage.

  • Get-In / Get-Out: Process of moving set and equipment into or out of the theatre.

  • Green Room: Relaxation area for actors.

  • Interval: Break between sections of a performance, known as intermission in the USA.

  • Marking Out: Using tape to indicate scenery positions on the floor.

  • Matine / Matinee: An afternoon performance.

  • Preset: Initial setting of technical elements before a scene or act starts.

  • Props: Items on stage that actors interact with, apart from set or costumes.

  • Proscenium Arch: The frame through which the audience views the performance, separating stage from auditorium.

  • Technical Rehearsal: Rehearsal integrating all technical elements with the performance.

  • Upstage: Part of the stage furthest from the audience; also refers to drawing attention away from main action.

  • Wings: Areas to the sides of the acting area, out of audience view, used for entrances and exits.

This glossary offers a foundational understanding of technical theatre terms, crucial for effective communication and operation within theatre production environments. For a more comprehensive list, refer to the full Glossary of Technical Theatre Terms.