You can display information on the model, model features, or references when you select the model in the Model Tree, right-click, and choose one of the Information options. Only information for objects in session, including suppressed objects is displayed.

You can use the commands on the Tools tab to display assembly information.

You can use commands in the Analysis tab to check clearances and interferences between parts, as well as between any two surfaces within the assembly:

For information about the Tools and Analysis tabs, search the Help Center.