The document defines and provides examples of different types of instructional images:
Line drawings are simple representations using lines and curves to explain concepts. Illustrated drawings are simple and attractive artworks that simplify ideas. Kroki are simple drawings using symbols, icons, and directions to simplify locations. Sequenced drawings are groups of pictures in a sequence that illustrate a story or phenomenon with titles and captions. Comparative drawings aim to explain similarities and differences between objects. Cartoons are simple comic drawings that tell stories and evoke emotions. Caricatures are simple-lined humorous or satirical drawings that simplify or exaggerate people or events. Maps are simplified depictions of spaces that highlight object relations and scale. Posters are graphic advertisements