---
title: Requirements
summary: What the product has to do, worked out by narrating scenarios and testing rough prototypes.
type: artifact
order: 4
activity: Ideation and prototyping
loop_stage: design/ideation
domains: [people, business, technology]
status: draft
version: 0.1
updated: 2026-10-25
sources: [Traditional UX Practice v1.2 (2010)]
confidence: stated
next: approved-design-proposal
---

What the product has to do, worked out by narrating scenarios and testing rough prototypes.

## Where it comes from

**Activity:** Ideation and prototyping. From the 2010 list: Rapid iteration where the vision can change a lot. Workshops with all business teams. Narrating through user scenarios. Sketching and testing functional prototypes.

## The spec (to be worked)

| Part | What goes here |
| --- | --- |
| Inputs | What this artifact is made from |
| The skill that makes it | The steps an agent or a person follows |
| Shape | A fixed template the next skill can read |
| How it's checked | What has to be true before it counts as done |
| Next | [Approved design proposal](/artifacts/approved-design-proposal) |

This artifact is a skeleton. Fully worked specs come one at a time, and the [changelog](/changelog) records each one.