A Use Case Diagram visually represents the relationship between actors and key actions within a business solution. In this video, we'll look at how to create a use case diagram for business analysts.
We'll also look at the key components of the model including actors, scenarios, system boundaries, extend and include relationships, as well as generalizations. A use case is a functionality in a system that will allow the user to achieve a goal. It also depicts the scope of that solution.

This UML diagram is widely used by business analysts to communicate complex information to customers and technical teams in a simple way. But there are some key components that need to be considered in order to provide optimal communication when creating a use case diagram. I hope this example and tutorial enable you to execute UML diagram best practices to maximize effectiveness.

The Use Case Model is one of the 50+ business analysis techniques discussed in the Guide to Business Analysis Body of Knowledge (BABOK Guide). It is considered the visual model partner to the use case description. Be sure to check out the video on Use Case DESCRIPTIONS here:    • Use Case Description EXAMPLE [ Use Ca...  

Also, Sequence Diagrams are the next level of detail for UC diagrams. Learn more about sequence diagrams here:    • Sequence Diagram Tutorial and EXAMPLE...  

When to create a UML Use Case Diagram?
To supplement a detailed use case description
To illustrate the scope of a system or solution to technical audiences
To illustrate elements that are out of scope for a system or solution
To help to discuss various scenarios in a system with technical teams
To illustrate the actors that will use an application, system, or solution
To provide a simple representation of goals and outcomes

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