15 Use Case Diagram Activity Diagram. It will for those, who are working software team and roll as a software project specification writter, use case designer, user story maker etc. The purpose of use case diagram is to capture the dynamic aspect of a system.
A use case diagram at its simplest is a representation of a user's interaction with the system that shows the relationship between the user and the different use cases in which the user is involved. Lucidchart is the ideal tool for creating any kind of uml flowchart, whether it's an activity diagram, a use case diagram, or a component diagram. It helps keep the focus on the requirements of the end user throughout the development of the system.
I wrote user stories, use case diagram, use case narrative or project specification by following ieee standard also against requirement.
15 Use Case Diagram Activity Diagram. Activity diagrams are used to model processes and workflows. This tutorial is a must for beginners who want to. Activity diagrams are used to model, use cases. However, this definition is too generic to describe the purpose, as other four diagrams (activity, sequence, collaboration, and statechart) also have the same purpose.