About Advanced DITA Map view features
Advanced DITA Map view features are accessed from the DITA Map view's pull-down menu and from the Properties view.
In the picture below, you can see that element names are showing in the DITA Map view. The DITA Map view's pull-down menu is open with the Hide Elements option selected.
The Properties view is open also, and you can see that the currently selected map element has been given the navtitle "Vista Settings".