A requirement, feature and/or unit of business value that can be estimated and tested. Stories describe work that must be done to create and deliver a feature for a product. Stories are the basic unit of communication, planning, and negotiation between the Scrum Team, Business Owners, and the Product Owner. Stories consist of the following elements:

• A description, usually in business terms
• A size, for rough estimation purposes, generally expressed in story points (such as 1, 2, 3, 5)
• An acceptance test, giving a short description of how the story will be validated

Related links: Story