Function Point diagrams are easier to read if connectors do not cross other connectors and shapes. You can use bend points to customize connector line routing to minimize crossed connectors in a Function Point diagram.
To move a bend point on a connector:

Changing the font and font color for shapes
Changing the background color for shapes
Applying the appearance of a shape to other shapes
Changing the order of shapes in stacks
Changing the color of connectors
Adding bend points to connectors
Showing and hiding connector labels