A shape is a two-dimensional (flat) area surrounded and enclosed by a line. Shapes can be solid (filled) or hollow (unfilled). There are two basic types of shape: geometric and organic. An abstract design is an arrangement of shapes and lines. Abstract design does not try to show a person, place or thing. This lesson presents a basic abstract design then suggests variations to the basic design and how them in other academic disciplines. Abstract designs are great works of art and can be used t