This template is an entity - relationship diagram for a library management system. The "Books" entity has attributes like Book_ID, Title, Author, Price, and Availability. It is related to the "Publisher" entity through the "Published by" relationship, with publishers having attributes such as Pub_ID, Address, and Name. The "Books" entity is also connected to the "Member" entity via the "Borrowed by" relationship. Members have details like Member_ID, Name, Address, Member_type, and Member_date, along with Expiry_date for their membership. The borrowing process is tracked with attributes like Due date, Return date, and Issue. This diagram helps in understanding the data structure and relationships in a library management system, facilitating efficient database design and management for library operations.