Collapsing and Expanding Groups and Layers
You can collapse a group or layer so tracks for objects in the group are temporarily hidden.
Group collapsed
Group expanded
To collapse or expand a group or layer
µ
Click the disclosure triangle to the left of the group or layer name in the Timeline layers
list.
Disclosure triangle
Several editing tasks can be done in the Timeline, including moving, trimming, and
slipping. For more information on how to perform editing in the Timeline, see
Editing
Objects in the Timeline
.