You can show or hide labels on all connectors or selected connectors in a Function Point diagram that includes related elements and connectors.
To show or hide connectors labels, complete one of the following steps:

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
Moving bend points on connectors