What are the nine principles of design?

Answer 1

http://www.google.com/search?q=nine+principles+of+design&oq=nine+principles+of+design&aqs=chrome..69i57j0l3.2410j0j8&sourceid=chrome&es_sm=122&ie=UTF-8

Read, read, read, and take good notes.

Answer 2

its shading skills