Watching dukes of hazard

What are the two ways in which you can identify forms? cones and spheres are examples of (dark/artifical/geometric) forms, whereas mountains and trees are (natural/organic/light) forms.

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

Compare and contrast the architecture and function of the pyramid of djoser and the great pyramids at giza?