An artist will sometimes create CONCEPTUAL unity by unifying the ideas in a work of art.
Roger Fry, in full Roger Eliot Fry, (born December 14, 1866, London, England—died September 9, 1934, London), English art critic and artist, best known as the champion of the movement he termed Post-Impressionism. Fry was born into a Quaker family and was educated at the University of Cambridge for a career in science.
A collage is put together by various pictures. It’s not focused on just one thing. It’s a gallery of many other photos.
