User Story

User Story is a high‐level, informal, short description of a solution capability that provides value to a stakeholder. A user story is typically one or two sentences long and provides the minimum information necessary to allow a developer to estimate the work required to implement it.

Definitions

According to the Agile Extension to the BABOK Guide (preview),

User Story. A high‐level, informal, short description of a solution capability that provides value to a stakeholder. A user story is typically one or two sentences long and provides the minimum information necessary to allow a developer to estimate the work required to implement it.