Atlas Components is a term that refers to the components of an atlas, which is a collection of MAPS. The four-letter solution for this term is MAPS, which stands for MAPS, Atlases, Plates, and Schematics. MAPS are two-dimensional representations of the Earth's surface, while Atlases are collections of MAPS. Plates are single-page illustrations or diagrams, and Schematics are diagrams that show the structure of a system.