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Animation is the process of using a series of drawn or rendered pictures that successively show motion and displaying them to the viewer in rapid succession, giving the illusion of motion. When this happens, the slight differences between pictures give the illusion of movement. This process of showing pictures in rapid succession is the same method used in motion pictures, videos, and television. A motion picture camera does not record movement; it records a series of still images called frames. A frame is a single image in a series of images used in film, video, and animation.
In motion pictures and television, the frames are presented so quickly that the normal human eye does not register that they are individual frames. In motion pictures, the usual rate of pictures projected on the screen is 24 frames per second, although some will go as high as 70 frames per second. TV and video run at 30 frames per second.