How can we understand art and its impact? Gary Iseminger argues that the function of the practice of art and the informal institution of the artworld is to promote aesthetic communication. He concludes that the fundamental criteria for evaluating a work of art as a work of art are aesthetic. After considering other practices and institutions that have aesthetic dimensions and other things that the practice of art does, Iseminger suggests that art is better at promoting aesthetic communication than other practices are and that art is better at promoting aesthetic communication than it is at...