1. It is the lightness and darkness of color.

2. It is the use of differences and change to increase the visual interest of the work.

3. It is a continuous mark made on a surface by a moving point.

4. It is when all the elements and principles work together to create a pleasing image.

5. It is a large difference between two things to create interest and tension.

6. It consists of hue, intensity and value.

7. It is the surface quality of an object, its smoothness, toughness, softness, etc.

8. It is the focal point of an image, or when one area or thing stand out the most.

9. It is when the parts of an image are organized so that one side mirrors the other.

10. It is when one side of a composition does not reflect the design of the other.