SHAPE & FORM
Shape and FormShapes are flat and has only 2 dimensions, height and width.
Forms are 3 dimensional objects with height, width and depth. Therefore forms have mass and volume.
E l e m e n t sColor | Value | Line | Texture | Shape | Form | Space
P r i n c i p a l sBalance | Emphasis | Harmony | Variety | Gradation Movement | Rhythm | Proportion
T e r m sLook for more terms here