Data floData Handling (Data Flow Diagram - DFD): Create a DFD to represent the flow of data within the system. External Entities: Customer, System. Processes: Verify Customer, Component Selection, Order Confirmation, Invoice Generation. Data Stores: Customer Data, Order Information, Component Prices, Invoice Details. Data Flows: Information flow between entities, processes, and data stores. Data Handling (Class Diagram): Design a Class Diagram to illustrate the classes, attributes, and methods in the system. Classes: Customer, Order, Component, Invoice. Attributes: CustomerID, OrderID, ComponentType, Price, etc. Methods: VerifyCustomer(), SelectComponents(), GenerateInvoice(), etc. w diagram, database, data transfer | Fantasy