What is a wallpaper ?
The wallpaper is a background set to the desktop, personal computer, mobile, android mobiles, and even at the walls, at the walls of a hall, marriages hall, outside walls, in the hotel halls, at the homes, at the walls in the houses.
The wallpaper is a presentation that is a description of a background.
The wallpaper may be an image, images, a picture, set of pictures with alternate changes in seconds time.
The wallpaper background may also be a screen saver set to laptop screen or android mobiles screen.