Difference in art means anything that is diverse and not the same. A varied art may called  a different art. The term difference is always associated with the term new and dissimilar. In modern art, the idea of variety gained significance and preference to distinguished artworks. Only the variety piece of work gained attention. In post modern art, the potential dissimilarities were not as intensely expected like that of modern art the difference in art was only observed as a feature of art.