1. Define the target user segment and persona.
2. Define the narrative or job-to-be-done for the user.
3. Identify 3-5 high-level activities the user performs.
4. Break down each activity into 3-5 detailed steps.
5. Break down each step into 5-7 specific tasks.
6. Prioritize tasks vertically (MVP, future releases).
7. Identify gaps and opportunities in the user journey.
8. Refine and iterate on the story map based on feedback.