Name: ______________________________________________________________Mr. Vedder Contour lines - Lines that surround and define the surface edges and ridges of a object, giving it shape and volume. Contour line drawing - Drawing in which contour lines are used to represent subject matter. A contour drawing has a three-dimensional quality, indicating the thickness as well as height and width of the forms it describes. “Portrait of Igor Stravinsky” by Picasso “Fleur” by Matisse Value - the lightness or darkness of a color Emphasis - Any influence that gives importance or dominance to some feature or features of an artwork; something singled out, stressed, or drawn attention to.