A high-level narrative that outlines a user’s interaction with a system is distinct from a specific, detailed procedure designed to verify a particular aspect of that system. The former describes a possible usage path, often from the user’s perspective, such as “a customer logs in, adds items to their cart, and proceeds to checkout.” The latter is a precise set of actions with expected outcomes, like “entering a valid username and password results in successful login.”
Understanding the difference between these two concepts is critical for effective software development and quality assurance. This distinction allows for a more holistic approach to testing, ensuring that both the overall usability and the individual components of a system function correctly. Historically, a focus on the minute details sometimes overshadowed the larger user experience; recognizing the interplay between user stories and concrete verification steps corrects this imbalance.