The Reference Viewer displays a graph of assets that reference or are referenced by any assets that are currently selected in the Content Browser.
To display the Reference Viewer, right-click a selected asset (or assets) in the Content Browser, and, on the context menu that appears, click Reference Viewer.
Other assets that reference the selected asset(s).
The selected asset(s).
Other assets that are referenced by the selected asset(s).
You can also access the Reference Viewer by right-clicking a folder in the Asset Tree. The Reference Viewer will display a graph of references for all assets in that folder.
For more information about the Content Browser, see Content Browser.