There are numerous display properties you can control for each diagram figure. The available options vary between different kinds of figures.
The following options are available on most node figures:
Select Display Options>Use Figure Specific Name if you want to give the figure a name different from that of the attached model element.
If you select Use Figure Specific Name, you can then change the name of the figure by selecting Rename from the pop-up menu. (If Use Figure Specific Name is not selected, this option renames the figure and the attached model element.)
The following options are available on most connector figures:
Select Navigation>Show Navigation Arrow to control whether navigability is indicated on the diagram by an arrowhead.