Animation
Animation creates the illusion of movement by displaying frame sequences rapidly.
Principles
Disney's 12 principles: squash/stretch, anticipation, staging, timing, exaggeration, appeal, etc.
2D Animation
Traditional (cel), digital frame-by-frame, tweening, onion skinning, rotoscoping.
3D Animation
Modelling, texturing, rigging, animation (keyframing/mocap), lighting, rendering.
Motion Graphics
Animated text, shapes, infographics. After Effects, Apple Motion, CSS animations.
Web Animation
CSS transitions, JavaScript (GSAP), SVG animation, Canvas/WebGL, Lottie.
Tools
Adobe Animate (2D), Blender (3D, open source), Maya (industry standard), Toon Boom.
Summary
Animation brings multimedia to life through motion across 2D, 3D, and web platforms.