A graphic organizer, also known as a knowledge map, concept map, story map, cognitive organizer, advance organizer, or concept diagram. It is a pedagogical tool that uses visual symbols to express knowledge, concepts, thoughts, or ideas, and the relationships between them.The main purpose of a graphic organizer is to provide a visual aid to facilitate learning and instruction. A graphic organizer, also known as a knowledge map, concept map, story map, cognitive organizer, advance organizer, or concept diagram. It is a pedagogical tool that uses visual symbols to express knowledge, concepts, thoughts, or ideas, and the relationships between them.The main purpose of a graphic organizer is to provide a visual aid to facilitate learning and instruction.