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A use case is a list of actions or event steps typically defining the interactions between a role (known in the Unified Modeling Language (UML) as an actor) and a ...
A use case analysis is the primary form for gathering usage requirements for a new software program or task to be completed. The primary goals of a use case analysis are: designing a system from the user's perspective, communicating system behavior in the user's terms, and specifying all externally visible behaviors.
A use case diagram [1] is a graphical depiction of a user's possible interactions with a system. A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. The use cases are represented by either circles or ellipses. The actors are often shown as stick ...
Use cases are then used as basis for drafting the UI concept (which can contain for example main views of the software, some textual explanations about the views and logical flows), these are short stories that explain how the end user starts and completes a specific task, but not about how to implement it.
Each use case provides a set of scenarios that convey how the system should interact with a human user or another system, to achieve a specific business goal. Use cases typically avoid technical jargon, preferring instead the language of the end-user or domain expert. Use cases are often co-authored by requirements engineers and stakeholders.
In two related cases, the fishermen asked the court to overturn the 40-year-old Chevron doctrine, which stems from a unanimous Supreme Court case involving the energy giant in a dispute over the ...
That has put the squeeze on a raft of emerging market currencies, forcing intervention in some cases. The dollar likewise held firm on the yen at 153.7, having jumped almost 2.5% last week, while ...
UML use case diagram with two actors (Parent-Teacher and Child) and 5 use cases.. An actor [1] in the Unified Modeling Language (UML) "specifies a role played by a user or any other system that interacts with the subject."