| ◄ Colour ◄ Colour  | 
      Form
is a three dimensional
object created by an encompassing line and tints and shades to create
the illusion of depth. Shape is a two dimension object created by an encompassing line. In some artworks the image is flat and lacking depth. In this case objects are more correctly referred to as shapes. 
  | 
      ► Line ► Line  |