Final answer:
In ArcGIS Pro, the Contents Pane is the user interface element that displays the contents of the active view, assisting in layer management and navigation.
Step-by-step explanation:
The element of the ArcGIS Pro user interface that displays the contents of the active view is known as the Contents Pane. This pane lists all the layers in the map and indicates their drawing order. It enables users to manage the layers, including changing their visibility, order, and symbology, as part of their Geographic Information Systems (GIS) tasks. The Contents Pane serves as a crucial navigational and management tool within the ArcGIS Pro environment.