SHAPE

*natural shapes: they ate the ones related to nature they haven’t been created by any human
*artificial shapes: shapes which have been created by humans or Macha iCal procedures
*organic shapes: they are shapes that have irregular profile or silhouette as well s their inner surface. Organic shapes are usually natural even thoug they are sometimes artificial.
*flat shapes: they have two dimensions such a paper sheet a cinema screen or a canvas.
*form: they are volumetric shapes, they appear and are three dimensional.