Use case Diagram Version 1:

- This is the Version 1 of the use case diagram for the Online Music CD Store.

  In this use case diagram, we have the customer,  the Administrator as the actors.

  1) The customer mainly performs the following actions:

• Browse Catalog
• Search through Catalog
• Manage Account : Includes Login and Registering on the Website and Manage Profile details.
• Manage Shopping Cart : Includes Add items to cart, View Cart details and Edit/Update item quantity.
• Place Order

  2) The Administrator performs following actions:

• Manage Catalog : Includes add & delete products to Catalog and Edit/Update item details

Use case diagram Version 2:

- In this use case diagram, a few things have been modified which makes it different from the first version.

  Mainly, the actions performed by the Customer and the Administrator have changed.

  1) The customer now performs the following actions:

• Browse Catalog : Includes Search through Catalog, select items and view details
• Manage Account : Includes Login and Registering on the Website and Manage Profile details.
• Place Order : Includes Add items to shopping cart, View Cart details, Edit/Update item quantity, Manage Billing & Shipping details and Checkout activities.

- A few more functionalities are added to the Administrator role.

 1) The Administrator now performs the following actions:

• Manage Catalog : Includes adding/deleting Departments and/or Categories to the Catalog, adding/deleting Products to the Catalog and Edit/Update Catalog details.