It means when you reduce a window from full size to about a quarter size.
it help to restore tap down window.
The window is maximised.
It makes a Windows OS window smaller when maximized. [Its the button at the top right of the window that looks like a screen.]
minimise or restore down on some computers XP should say minimise but not 100% sure about it
Resize is the term your looking for i believe. Or if your referring to the box at the top of the window on the right its maximize, restore down, and minimize
Restore button
page width in the view tab will restore it to one pane
Restore the window and drag the title bar ;)
Restore
You just hit the button that you clicked to maximize which after you have maximized it is called the restore button then it will shrink down and you can re-size it then.
The restore button.
minimise or restore down on some computers XP should say minimise but not 100% sure about it