Cluster C

Definitions:

Technique by which inanimate objects seem to come alive by flashing a series of minutely changed images, called “cells,” at a rate which the brain interprets as movement. See also, Cell and Persistence of Vision.
http://www.pbs.org/weta/myjourneyhome/teachers/glossary.html

Cel Animation: A traditional form of animation used in the production of cartoons or animated movies where each frame of the scene is dran by hand. A full-length feature film produced using cel animation would often require a million or more drawings to complete.
http://www.webopedia.com/TERM/C/cel_animation.html

Cel Animation: Traditional animation, also referred to as classical animation, cel animation, or hand-drawn animation, is the oldest and historically the most popular form of animation. In a traditionally-animated cartoon, each frame is drawn by hand. The term "traditional animation" is often used in contrast with the now more commonly used computer animation.
http://en.wikipedia.org/wiki/Traditional_animation

The Cel Animation cartoon process explained.
http://animatedtv.about.com/od/thesimpsonsfaq/a/celanimation.htm

Definitions of terms.
Cel: A sheet of clear acetate or nitrate which is hand-painted and then placed over a background and photographed. The outline of the character (hand-painted or xeroxed) is applied to the front of the cel. The colours are hand-painted onto the back of the cel.
http://www.animationartgallery.com/aanimationdefinitions.html