Concept Maps

The technique of concept mapping was developed as a constructive way of representing knowledge in science and increasing the meaningfulness of learning. Now, the creation of a concept map is extremely helpful when used in education as learning and teaching techniques that assist memorization. Concept maps are also used for idea generation in brainstorming sessions, and for detailing the structure of complex ideas.

An Entity-Relationship Diagram (ERD) is a visual presentation of entities and relationships. That type of diagrams is often used in the semi-structured or unstructured data in databases and information systems. At first glance ERD is similar to a flowch