| Active cue | A live playback instance (or armed incoming sequence member) |
| Armed | Cue is allowed to play content on GO |
| Canvas | Virtual pixel stage for screens and layers |
| Component | Payload on a cue (audio, video, …) |
| Cuelist | Ordered list of cue shells |
| Direct output | Audio device name without a patch object |
| Follow mode | None / Continue / Follow sequencing |
| GO | Start the selected/playhead cue sequence |
| Layer | Drawable target rectangle on the canvas |
| MIDI session device | Named input or output port opened for the show (Input Map, cue triggers, MIDI output components) |
| Patch | Audio output mapping table |
| Playhead | Cue that receives standard GO advancement |
| Post-wait | Delay before a continued/followed next cue starts |
| Pre-wait | Delay after start before content |
| Screen | Output window region of the canvas |
| Session | Live show state; saved as .c2 |
| Shell | Cue identity + timing + triggers without requiring media |
| Show settings | Document settings inside the showfile |
| Skip if disarmed | Bypass disarmed cues when advancing playhead |