Shape is a basic element in many types of art work. An artist may invent new shapes or use shapes we recognize and see everyday. Some artists focus on one shape and create different compositions with it, by doing a series. A series may include a large number of works; however, they all are variations on the same subject or theme. For example, look for the differences in these works by the American artist, Jim Dine: "Handpainting on the Mandala" "Rancho Woodcut Heart" "The Heart and t ...