User Stories
In agile software development, when people think of functional slices, they often think of User Stories. This is a term and technique originating with Extreme Programming. As usage of the term has spread, the understanding of it has become a bit fuzzy.
A User Story is a small slice of functionality that’s describable in terms of the user’s goals and capabilities. It’s so named because it involves an interaction with a system user, either accepting input or providing some observable result, and usually both. In general, a User Story is smaller than a Use Case, which is a more comprehensive set of related interactions. I often think of it as a single path through a Use Case. Each alternate flow would likely make a separate User Story. ...
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