What is one common use case for activity diagrams?

Activity diagrams are utilized primarily to represent the flow of operations within a process. They visually depict how various activities are interconnected, showing the sequence in which actions occur and how different activities interact with one another. This is particularly important for understanding processes that involve multiple steps and decision points, allowing stakeholders to see how inputs result in outputs.

By capturing the flow of control and data, activity diagrams help in clarifying complex processes and can serve as a valuable tool for analysis and design during software development. They allow team members to assess and optimize workflows, making them an essential resource in both business analysis and systems design.