How to Look at and Understand Great Art Lectures Episode 10 Drawing—Dry, Liquid, and Modern Media ( Air Date 2011-01-01 ) Genre Documentary category. Overview "In this first lecture on genre, define the various purposes of drawings, from "croquis" drawing to capture a pose or action, to successive sketches visualizing larger works, to finished drawings as a distinct art. Study the diverse media of drawing, focusing on master drawings in metalpoint, charcoal, ink, pastel, and pencil.".