This document discusses textures in art. It defines physical and visual textures and provides examples. Physical texture refers to the actual feel of an object when touched, while visual texture creates the illusion of texture through elements like lines and colors. The document notes that artists use different textures depending on their style and historical period, sometimes imitating real textures like wood or water and other times conveying emotions. Various drawing materials and procedures are described that can be used to represent textures in artwork.