name: SPX Graphics Vocabulary
description: >-
  Domain vocabulary for the SPX Graphics Control system covering live video
  production graphics, broadcast terminology, and API concepts.
version: '1.0'
created: '2026-05-02'
modified: '2026-05-02'
url: https://spxgraphics.com
terms:
  - term: Rundown
    definition: >-
      An ordered list of graphics items for a live production. Each rundown
      belongs to a project and contains template-based items that can be
      played, stopped, and continued in sequence.
    tags:
      - Core
      - Production
  - term: Rundown Item
    definition: >-
      A single entry in a rundown, representing one graphics template with
      its associated field data and playback settings.
    tags:
      - Core
      - Production
  - term: Template
    definition: >-
      An HTML-based graphics template that defines the visual layout and
      animation of a graphic overlay. Templates use JavaScript variables
      (f0, f1, etc.) for data binding.
    tags:
      - Core
      - Graphics
  - term: CasparCG
    definition: >-
      Open-source broadcast graphics playout server that SPX-GC can control
      for high-quality HTML-based graphics rendering in professional broadcast.
    tags:
      - Output Target
      - Broadcast
  - term: OBS
    definition: >-
      Open Broadcaster Software — a popular streaming and recording platform
      that SPX-GC integrates with via the OBS WebSocket API for graphics overlay.
    tags:
      - Output Target
      - Streaming
  - term: vMix
    definition: >-
      Professional live video production software for Windows that supports
      HTML graphics overlays, controllable by SPX-GC via the vMix API.
    tags:
      - Output Target
      - Live Production
  - term: Play Command
    definition: >-
      A playout instruction that makes a graphics item visible in the output,
      triggering its in-animation. Issued via the /api/v1/item/play endpoint.
    tags:
      - Playback
      - Command
  - term: Stop Command
    definition: >-
      A playout instruction that removes a graphics item from the output,
      triggering its out-animation. Issued via the /api/v1/item/stop endpoint.
    tags:
      - Playback
      - Command
  - term: Continue Command
    definition: >-
      A playout instruction that advances a graphics item to its next
      animation state or page. Used for multi-step graphics animations.
    tags:
      - Playback
      - Command
  - term: Direct Playout
    definition: >-
      A method to play, stop, or continue a graphics template without it
      being part of a rundown. Useful for ad-hoc graphics and automation.
    tags:
      - Playback
      - Advanced
  - term: Extension
    definition: >-
      A custom JavaScript module loaded by SPX-GC that exposes functions
      callable via the API. Extensions power advanced features like sports
      scoring, live timing, and custom data-driven graphics.
    tags:
      - Extension
      - Advanced
  - term: ASSETS Folder
    definition: >-
      The media file storage directory in SPX-GC containing images, videos,
      audio, and other files available for use in graphics templates.
    tags:
      - Files
      - Media
  - term: API Key
    definition: >-
      An optional security token configured in SPX to restrict API access.
      When set, must be passed as the 'apikey' query parameter on all requests.
    tags:
      - Security
      - Authentication
  - term: Stream Deck
    definition: >-
      Elgato hardware device with programmable buttons that can trigger SPX-GC
      API commands for hands-on live production graphics control.
    tags:
      - Hardware
      - Control Surface
  - term: Lower Third
    definition: >-
      A common broadcast graphics element appearing in the lower portion of
      the screen, typically showing a name and title over live video.
    tags:
      - Graphics Type
      - Broadcast
  - term: Port 5656
    definition: >-
      The default TCP port that the SPX-GC local web server and API listens on.
      Configurable in the SPX configuration file.
    tags:
      - Infrastructure
      - Configuration