This comprehensive ERD delves into the intricate entity relationships among Payment, Visitor, Hotel, and Booking. It illustrates how different visitor types make hotel reservations based on their specific needs and complete payment processes. Furthermore, the diagram showcases how hotels manage bookings based on room type, price, and availability, aiding hoteliers in optimizing room occupancy and financial revenue. The interactions between these entities clearly depict how data flows and business processes support the entire hotel booking system's operation, providing invaluable architectural insights for system analysts and developers.