Relief Order

Command: Menu【Relief > Relief Order】

As you create relief(surface) or import files into your document, every object is given a
position in the stacking order. The first object you create will be at the bottom of the stack. This order will be reflected when the objects overlap.

The first relief combine mode determines only how it combines with the Canvas  plane. The subsequent components are combined with the result of everything below them based on their Combine Mode.

To Front： Moves the selection to the first of the stack, in front of all other objects.

To Back：  Moves the selection to the last of the stack, behind all other objects.

Forward One： Moves the selection one position up in the stack.

Back One： Moves the selection one position down in the stack. 。