The document discusses different types of texture used in art, including: 1) Impasto, which is thickly applied oil paint that would feel rough to the touch. Rembrandt began using impasto to create more realistic images. 2) Trompe l'oeil uses very smooth textures to create optical illusions and fool the viewer into thinking objects are real. 3) Texture can also be the subject of artwork, like Charles Sheeler's photograph of the side of a barn that focuses on the textures of the wood. Sculptures also showcase textures through materials like marble, fur, and clay. 4) While texture in the visual arts relates to how surfaces feel