Data Flow Diagram (DFD) for Restaurant Management System Here's a breakdown of the Restaurant Management System's DFD at Context Level: Entities: Customer Restaurant Manager Server Chef/Kitchen Staff Inventory Manager Business Analyst Processes: P1: Manage Menus (Restaurant Manager) P2: Manage Orders (Server, Restaurant Manager) P3: Manage Tables (Server, Restaurant Manager) P4: Manage Inventory (Inventory Manager) P5: Process Payments (Server) P6: Generate Reports (Business Analyst) P7: Manage Staff (Restaurant Manager) P8: Manage Customers (Restaurant Manager) Data Flows: DF1: New/Updated Menu Information (Customer -> P1) DF2: Order (Server -> P2) DF3: Table Status (Server -> P3, P2) DF4: Ingredient Information (P4 -> P1) DF5: Payment Information (Server -> P5) DF6: Reports Request (Restaurant Manager, Business Analyst -> P6) DF7: Staff Information (Restaurant Manager -> P7) DF8: Customer Information (Customer -> P8) DF9: Updated Menu (P1 -> Server, Customer) DF10: Order Confirmation (P2 -> Server) DF11: Table Assignment (P3 -> Server) DF12: Updated Inventory (P4 -> P1) DF13: Receipt (P5 -> Server, Customer) DF14: Reports (P6 -> Restaurant Manager, Business Analyst) DF15: Staff Schedule (P7 -> Staff) DF16: Promotions (P8 -> Customer) | Anything