Bringing Objects to Front/Sending Them to Back
If you place several drawing objects at the same location, they will be superimposed. Drawing objects cover each other in the order you create them: the latest created drawing object covers the previous one. You can modify this order.
To put an object behind another:
1. Select the drawing object(s).
2. In the drawing object pop-up menu, select Order > Bring forward or Order > Send backward.
To put a drawing object in front of all the others:

In the
Edit toolbar, click

.
To put a drawing object behind all the others:

In the
Edit toolbar, click

.
In this way the drawing objects can be completely reordered by successively applying these various commands.