Select regions in the Tracks area
To perform some edits on regions, you must first select the regions. You can select one or multiple regions, select regions on different tracks, and quickly select muted regions, overlapped regions, or regions meeting other criteria. Selected regions appear brighter in the Tracks area than unselected regions.
Select a region
Click the region in the Tracks area.
Select multiple regions
Do one of the following:
Hold down Shift as you click the regions in the Tracks area.
Drag around the regions to enclose them.
Select all regions in a track
Click the track header.
Select all regions in a project
Choose Edit > Select > All (or press Command-A).