Use Case Diagram for Online Shopping

 Use Case Diagram

Definition: A Use Case Diagram is a UML diagram that shows the interactions between users (actors) and a system. It represents the functional requirements of a system from the user's point of view.

Use Case Diagram for Online Shopping

Actors: Customer, Admin, Payment Gateway, Delivery Service

                    ONLINE SHOPPING SYSTEM
        ┌───────────────────────────────────────────┐
        │                                           │
Customer│───> (Register / Login)                    │
        │───> (Browse Products)                     │
        │───> (Search Products)                     │
        │───> (Add to Cart)                         │
        │───> (Place Order)                         │
        │───> (Make Payment) <──── Payment Gateway │
        │───> (Track Order)                         │
        │───> (Cancel Order)                        │
        │                                           │
Admin   │───> (Manage Products)                     │
        │───> (Manage Orders)                       │
        │───> (Manage Customers)                    │
        │                                           │
        │                         (Deliver Order) <──│── Delivery Service
        │                                           │
        └───────────────────────────────────────────┘

In short: The diagram shows what customers and other actors can do with the online shopping system, such as browsing products, placing orders, making payments, and managing products/orders.