"Art back of" can be expressed through various synonyms, such as "background art," "secondary art," or "supporting art." These terms define the visual elements used to enhance and complement the main content of an artwork. The art back of provides a sense of depth, texture, and atmosphere in a piece. It contributes to the overall mood of the artwork and helps create an engaging narrative. Whether it's a detailed landscape in the background or a subtle flourish in the corner, art back of is a crucial component of any artwork. So, when considering the various layers of an artwork, don't forget to pay attention to the art back of.