Apple Motion 3 - Manual (Page 354)

354 Chapter 4 Using the Timeline
2 Drag the section to move all of the objects at once.
You can also use the shortcut menu to select any one of the overlapping objects in
order to edit that object directly. This is one way that you can manipulate individual
objects within a group without having to expand the group.
To edit one item in an overlapping area of a group:
1 Control-click the overlapping area of the group, then choose the object you want to
manipulate from the shortcut menu.
The boundaries of that one object are highlighted in the group track.
2 Move, trim, or slip the object independently from the other objects in the group.
Before After