Animation derives from the principle of perceived illusion of movement.
It is the principle which governs the creation of film and video
Animated: living, having life
Derived from the Latin
Movement: undergo a change of position/posture
Some Illusionary devices that demonstrate the principle: Flickbooks, Rollers, Zoetropes, Phenakistascopes, Thaumatropes, Praxinoscope, Magic Lanterns, Lamposcope, Theatriaxinoscope, Chorentoscope, Kinetoscope,Biophantoscope, Chronophotographic, Electrotachyscope, Zoopraxiscope and more…
Here are a few of my favourites: