The term ART SUPPLIES can be broken down into two crossword solutions: OILS (4 letters) and PAINTS (6 letters). Oils are a type of medium used in painting, usually made from vegetable or mineral sources. They are often mixed with pigments to create a range of colors and textures. Paints are a form of pigment suspended in a liquid medium, such as oil, water, or acrylic. They are used to create artworks on canvas, paper, or other surfaces.