If you select the 'Window' menu at Reporter Editor, <Figure 1> comes up.
<Figure 1> Window menu of Reporter Editor
Window menu is composed of as following menu.
Cascade(Shift + F5) : It is function to arrange the current MDI 'Window' as cascade.
Tile Horizontally(Shift + F4) : It is function to arrange the current MDI 'Window' as type of horizontal tile.
Tile Vertically : It is function to arrange the current MDI 'Window' as type of vertical tile.
Arrange Icon : It is function to arrange the icon of the iconized MDI 'Window'.
Close(Ctrl + F4) : It close the current MDI screen.
Close All(Ctrl + F4) : It close the all MDI screen.
Relate items)