Apple Motion 3 - Manual (Page 260)

260 Chapter 3 Basic Compositing
Bring to Front: Places the selected object in front of all other objects within the same
group by moving it to the top of the nested group in the Layers tab and Canvas.
Send to Back: Places the selected object behind all other objects within the same
group by moving it to the bottom of the nested group in the Layers tab and Canvas.
Bring Forward: Moves the selected object up one level in the hierarchy of objects
nested within the same group in the Layers tab and Canvas, moving it closer to the
front in the Canvas.
Send Backward: Moves the selected object down one level in the hierarchy of objects
nested within that group in the Layers tab and Canvas, moving it closer to the back in
the Canvas.
After Before
After Before