For the casual viewer, "keyframe" sounds like technical jargon. But for animators, collectors, and hardcore fans, the keyframe (or genga in Japanese) is the holy grail of production art. It is the site where raw emotion becomes geometry, where a director’s vision sheds its theoretical skin and puts on the flesh of movement.
— starting with the canvas, onion skin, G-pen, and timeline as the minimal viable product. anime keyframe