You have selected an item in the Explorer tree

If you selected a group, you can use the pop-up menu to:

Furthermore, the details view includes the Models and Objects tabs. They list the subgroups and the models or objects that are stored in the selected group.

If you selected a model or a model shortcut, you can use the pop-up menu to:

Furthermore, the details view includes a list of all occurrences of the selected model.

If you selected an object, you can use the pop-up menu to: