The context diagram and the use case diagram are two useful techniques for representing scope. This article describes two other methods for documenting scope: feature levels and system events.
With the rise in popularity of agile methods, business analysts and product owners often use the term “agile requirements” to label their work. We do not care for the term “agile requirements” because it implies that the requirements for an agile project are somehow qualitatively different from those for projects following other life cycles. A developer needs to know the same information to be able to correctly implement the right functionality regardless of the life cycle being used.
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