Expand the Survey Figure Properties dialog box where you have editing options for each figure vertex displayed in the list view.
You can add, remove, reorder, and change the point identifier (name or number) for each survey figure vertex. Figure preview graphics are displayed in the drawing indicating the selected vertices. An arrow head is displayed at the end of each segment to indicate the order (direction) of the figure vertices. Specify the color for the current vertex in the Interactive Graphics section of the Survey User Settings.
The following illustration shows an example of the figure preview graphics:

To edit survey figure vertices
Edit Survey Figure Properties.