Animation is defined as a collection of static images shown sequentially to create the illusion of movement. There are two main types: cell animation which uses transparent sheets for hand-drawn frames, and digital animation which uses computer software. The 12 principles of animation like timing, follow through, and anticipation are used to make the movements appear natural. The animation process involves planning with storyboards and then implementing the frames through techniques like cel, claymation, CGI or stop motion. Animation is used for entertainment, visualization, and instruction and can be categorized as 2D, 3D or stop motion.