Notation Reference for Use Case Diagrams
Example: Online Clothing Website
Description:
The online clothing website was built to allow customers to purchase clothes online without leaving their house. The use cases below define the six key interactions between a customer and the website.Assumethatallinteractionsare supportedbyaback-endserverthatprocessesallrequests on the website.
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1. A customer can search for clothing products. This involves typing in and submitting characters in a search bar and scrolling through pages of displayed results.
2. A customer can view individual products. When a customer is viewing search results, they can select and view detailed information about each product.
3. A customer can manage a cart as part of their shopping experience. Customers can add, select, view and remove items from their cart.
4. A customer can checkout the items in their cart. During checkout, when a user has confirmed their order, they will be able to submit shipping and payment details.
5. A customer can buy a product directly without a cart. When viewing an individual product, a customer can select ¡®Buy Now¡¯ to immediately proceed to confirming their order of the item. After confirmation, they will be required to submit shipping and payment details.
6. A customer can submit shipping and payment details. To complete an order, a customer is required to enter shipping details and payment details that are verified by a third -party payment service. Upon successful completion, the order will be shipped to the customer.
Extension: A new advanced search feature will be added to the website in the f uture. The feature will allow customers to include additional parameters when searching for products.
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