This mode is to make the view look like a view of DCC modeling tool. Namely when entering this mode, all objects except for the selected objects are hided and the time of day and light settings for only this mode is set.
In order to enter this mode, with selecting at least one designer object the "Exclusive Mode" check box should be checked.
or press Shift+Z shortcut.
When a level has a lot of objects and is complex, this mode makes the view's complexity decrease remarkably by remaining only selected objects in the view and setting a camera and TOD for this mode as follows.
- Before and After the Exclusive Mode.
To exit the exclusive mode, you should just disable the "Exculsive Mode" check button or press Shift+Z shortcut again.