Explains the functions related to selecting objects in the Viewport or Scene List.

The selection/deselection state of objects can be confirmed through the Gizmo that appears when an object is selected.

Select object

Selects a single object.

• Shortcut : LMB

Unselect all

Deselects all objects.

• Shortcut : ESC

Add / Deslection

Selects multiple objects while maintaining current selections.

• Window : Ctrl + LMB

• Mac : ⌘ + LMB

  

For "Select," as it's a prerequisite action for using functions or tools, you can refer to the relevant information through the following link