Screensaver vs. Wallpaper

Difference Between Screensaver and Wallpaper
Screensavernoun
(software) A computer program that displays aesthetic patterns or images when the computer is not being used, originally intended to prevent screenburn.
I configured my screensaver to appear after only two minutes, because I enjoyed watching it so much.Wallpapernoun
(uncountable) Decorative paper-like material used to cover the inner walls of buildings.
Screensavernoun
(proscribed) The background picture of a computer, smartphone, or similar mobile device.
Wallpapernoun
(countable) A roll of such paper.
Wallpapernoun
(countable) A style or design of such material.
He is letting her select the wallpapers for the whole house.Wallpapernoun
Anything that serves as a background or part of the surroundings.
Wallpapernoun
An image or tiled pattern used as the background of a computer desktop.
Wallpapernoun
Generic footage of a building or location that may be used in the background of a related news report.
Wallpapernoun
Gaudy mass-produced stamps, typically of little or no value and only produced for sale to collectors.
Wallpapernoun
A radio operator's collection of awards and QSL cards.
Wallpaperverb
(transitive) To cover (a wall, a room, etc) with wallpaper.
Wallpapernoun
a decorative paper for the walls of rooms
Wallpaperverb
cover with wallpaper