The term "art variable" refers to an object or concept in art that can be changed or altered to create different visual effects. Antonyms for this term would be fixed, unchanging, or static. In contrast to art variables, these terms imply stability and permanence, suggesting that the object or concept is not subject to alteration or modification. While art variables are often used to create dynamic and visually interesting compositions, fixed elements are used to provide a sense of stability and balance. In this way, both concepts are important in the creation of art and each has its own unique role to play.