If you click on this menu item, the Settings Window of the editor application will open

setting menu in the Editor application

If option number number 11 is enabled, when you are inserting a Window & Control variable, the Editor window minimizes itself. The other two options can be used to change the position of the Editor windows. These windows are the ones that appear when you add a variable or click on a menu button. The window in the image is one of these windows, and you can control its position using these options. If option number number 2 is selected, these windows will open in the middle of your desktop. If option number number 3 is selected, the windows will open in the middle of the Main window of the Editor application.