A caricature is an exaggeration of the real for the purpose of expanding or enhancing the visual effect. A cartoon is a drawing of an object which is fictional. Figure drawing is a drawing of a human body in various shapes and positions. Perspective in the graphic arts, such as drawing, is an approximate representation, on a flat surface (such as paper), of an image as it is perceived by the eye. A potrait drawing is a drawing of the top part of a human body. Sketching is a free-hand drawing of an object without using tools.