This item arranges the open windows in a “cascade” on the designer, allowing you to see all their title bars at once.
Click Window -> Cascade to get the following window management:
This item shows the open windows side by side on the designer in a horizontal way.
Click Window -> Tile horizontally to get the following horizontally side-by-side window management:
This item shows the open windows side by side on the designer in a vertically way.
Click Window -> Tile vertically to get the following vertical side-by-side window management:
This item shows a selected window as large as the designer.
Click Window -> Maximize and select a window, or click in the right upper corner of a selected window, to display the window on the whole designer. This is the default windown management option.