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Traces

One of the payoffs of a view-based development process supported by adequate tools is enhanced traceability. Everything in the software being developed is interconnected with the models and documentation describing it, right back to the original requirements.

While the developer is laying out the widgets of a particular form or dialog box, the use cases to be supported within that interaction context should be visible. In fact, the connection between each step in a use case and the widget or widgets used to enact the use case should be known to the system. If a content model has been created as an abstract view intermediate between the use case model and the user interface as implemented, it should be available to the developer while the user interface is being laid out with the visual development tool.


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