FAQ On computers, a wallpaper or background (also known as a desktop wallpaper, desktop background, desktop picture, or desktop image) is a digital image (photo, drawing, etc.) used as a decorative background of a graphical user interface on the screen of a computer, mobile communications device, or other electronic device. On a computer, it is typically used as the background for the desktop, whereas on a mobile phone, it is typically used as the background for the 'home' or 'idle' screen. Though most devices ship with a default image, users can usually change it to a custom file of their choice.
