Disney's Twelve Principles
of Animation

gives sense of weight and flexibility to drawn objects

prepares the viewer for an upcoming action

Johnston and Thomas defined staging as "the presentation of any idea so that it is completely and unmistakably clear"

Straight Ahead means drawing the entire scene frame by frame from begginning to end

Pose to Pose means starting with a few keyframes, and filling the intervals later

used to give the impression that the drawn object follows the laws of physics

creates the illusion that objects need time to accelerate and slow down

almost all natural movements follow an arc pattern

gives more life to the scene and supports the main action

correct timing gives the impression that objects obey the laws of physics

presenting reality in an wilder, more extreme form

gives characters volume and weight

makes the caracter charismatic