This is an ER diagram of Herbal company. An ER diagram depicts the relationships between entities in a database, such as persons, things, or concepts. An ERD will frequently depict the properties of these entities. It is built on three fundamental concepts: entities, characteristics, and relationships. It includes a variety of symbols, including rectangles to represent things, ovals to indicate characteristics, and diamond shapes to show connections. EdrawMax is the perfect tool to draw an ER diagram.