# Track Groups

Source: https://help.malighting.com/grandMA3/2.3/HTML/timecode_track_groups.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

---
Timecode shows are arranged in a hierarchical structure where **Track Groups** are the children of the timecode show. Track groups can contain one or more **Tracks**.

**Markers** can be assigned to the track group. **Time Ranges** are assigned to tracks. Read the following topics to learn more about these elements.