Briefle words · Product & specs
Vertical slice
A story that cuts through every layer (screen, logic, data) to deliver one small thing a user can actually do.
Say it to an AI
Split the 'Group trip booking' epic into four vertical slices, each a user story a real organizer or friend can use on its own. Order them so story 1 is shippable alone; no stories by technical layer like 'API' or 'database'.
How an expert would brief the stronger version of “Splitting a travel epic”.
See it
Try it as a puzzle →A travel-booking startup breaks its 'group trip' epic into stories for the next few sprints.
Why: B's 'Organizer creates a trip and invites friends with a link' needs a bit of UI, API and database, and works end to end on its own.
Related words
Room 3 · User stories
Learn “Vertical slice” in a five-minute lesson