(1) A large amount of information per square inch on a display screen or printed form. Measured in dots per inch (dpi), the more dpi, the higher the resolution and quality. Screens are in the 70-400 ...
DPI affects all programs and, in addition to font size (names of shortcuts, etc.), affects sizes of icons (e.g., in IE or Firefox toolbars), windows, menus and spacing. It's similar (very generally) ...