Properties of light and how to apply them in photography. Another silhouette favorite, I like the way the light outlines her head. For some reason, this says a lot about the emotion of this subject, and silhouette is very effective way to portray emotion.
This photo represents value. In this photo you can see the highlights where the sun is shining on her and the shadows where it doesn't. The darker areas show more depth than the highlighted ones. (photo by Sarah Loven ) Idea of using shadows