The document discusses key elements of art and principles of design including examples of line such as contour and outline but not illusionary or implied lines. It also mentions that organic shapes are found in nature, that a three-dimensional shape that encloses volume is called a form, and that the space filled in an artwork is called color. Additionally, it discusses how texture can be visually perceived without actual touch, focal points that draw the eye, visual paths in a composition, repetition of similar elements, contrasting elements placed together, and the harmonious arrangement of elements in a composition.