Proportion in art - the head and torso is smaller than the lower half of the body. The arms are also different to the other parts
This picture is value. This picture is value because the shading of the ball is a mixture of dark shading and light shading.
Example of pattern in art
I'm including this poster as a link to a discussion from Art With Mr. E on the principles of design. He has included several posters - and all are just a bit different!
cross contour line art - Bing Images
Tints and shades flower
The Llangollen Railway, Denbighshire, Wales, UK
Inside the cockpit of a Wizz Air Approaching to Budapest in the night. Wow to get in a cockpit while in flight would be amazing!
Wifi and technology