In the upper app bar, bookmarks allow you to return to a specific map view and location quickly. Bookmarks are also created by 1Edit to report topology problems and local or imported validation failures. To add a bookmark of your current location, right-click on the map and click Add Favourite:

The bookmark is added to the bookmarks bar. To go to a bookmark, right-click on the map to display existing bookmarks in the upper app bar, and click on the appropriate bookmark.
Bookmarks can be named, renamed, and deleted. To name or rename a bookmark, click on the current name below the thumbnail image and enter a new name.
Click Filter to display user-created favourites, topology failures, local validation bookmarks, and imported server validation bookmarks.
You can filter your view of bookmarks according to: favourites (user-defined bookmarks), local validation (bookmarks created from running rules in the Validation page), server validation (bookmarks created when loading a validation failure job from worklist or loading the 1Validate report manually from the Validation page), topology failures (bookmarks created when topology could not be built during data load or during a bulk topology build from the Topology page), and import failures (problems when loading data from worklist or Project page.) To filter the view, click Filter Bookmarks:

To delete bookmarks, 
 click  in the upper app bar and select the type of 
 bookmark you want to delete.
 in the upper app bar and select the type of 
 bookmark you want to delete.
For more information about validation error bookmarks, see Adding validation rules.