It's normal and I won't change it. Actually, the real name of the menu item should be "Display selected level and below levels" but it's too long.
If you want to view only the selected level, choose the menu item "Make level the only viewable one" menu item.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
It's normal and I won't change it. Actually, the real name of the menu item should be "Display selected level and below levels" but it's too long.
If you want to view only the selected level, choose the menu item "Make level the only viewable one" menu item.