Collage : a collection and combination of various materials. an art work made up of many different things such as photographs, pieces of paper, fabric, etc. A piece of art that is mashed up and doesn’t make complete sense visually.
Montage: a technique of selecting and editing, and piecing together separate sections of film to combine a whole selection.
Assemblage: A combination of found or unrelated objects to make a piece of art.
Collage work by Tina Klaus
Assemblage art work
Montage art, a collaboration of photographic image with floral pattern