The document discusses value and light in drawing. It defines value as the lights and darks in a work of art. Light is described as waves of energy that our eyes perceive as light or color. Shadows result when light is blocked. Key terms like high key, low key, and full value range are introduced. Drawing assignments are outlined that involve creating a value scale, reducing values to black and white, depicting the six categories of light on a sphere, and using additive and reductive techniques with charcoal to represent form, light, and shadow. Modeling, chiaroscuro, atmospheric perspective, and tenebrism are also defined in relation to using value and light in artwork.