You searched for: “superimpositions
superimposition (s) (noun), superimpositions (pl)
1. The placing of one image on top of another: Randy and David placed a superimposition of a photograph over the other graphic of the page.
2. To add as a distinct feature, element, or quality: Mrs. Lawson's superimpositions of quotes when she retold the story to the class provided greater understanding for her students.
3. A library cataloging procedure that allows for rule changes and making new entries: Janice's first summer job assignment was the superimposition of new materials into the library catalog system.