The document discusses graphic materials and their use in education. Graphic materials include diagrams, illustrations, charts, and other visual representations of information instead of solely using words or numbers. They are instructional tools that can attract students' attention and convey ideas in a simple, non-verbal way. Different types of charts like tree charts, flow charts, and table charts are described that can be used to show developments, organizational structures, comparisons, and more. The document emphasizes that graphic materials require little explanation and can help teach lessons while keeping students engaged by appealing to different learning styles.