Value

Value  

Value Emphasis

Mims, Casey A. Flower. Round Rock: Casey Mims, 1 Nov. 2012. Jpeg.

Value is sometimes used to create emphasis by creating high contrast in one area of the image while using subdued contrast in the rest of the image. 

Value Pattern

Berthemy, Madison Mathieu. "Maison Mathieu Berthemy : Monogram." Maison Mathieu Berthemy : Monogram. Rehybrid - Tomaz Goh, 2011. Web. 31 Oct. 2012. <http://rehybrid.com/8500/78361/projects/maison-mathieu-berthemy-monogram>.

Value pattern is a term that refers to the variation and amount of difference in light and dark, regardless of colors used. 

Chiaroscuro

Siqueira, Christian. "Cristiano Siqueira Illustration." Cristiano Siqueira Illustration. Www.b177.ru, 28 Mar. 2011. Web. 01 Nov. 2012. <http://vicevirtue.tumblr.com/post/4161933764/cristiano-siqueira-illustration>.

Chiaroscuro is a Latin term used to describe the use of light and dark to imply depth and volume in a painting or drawing.