---
vision:
principles: []
building_blocks: []
prior_art: []
composition:
target_users:
success_metrics: []
author:
created:
updated:
updated_by:
tags:
  - type/product-design
  - phase/design
---

## Vision

_What does this product do and why does it matter?_

## Principles

_What fundamental truths constrain the solution space?_

## Building Blocks

_What are the essential primitives that must be correct?_

## Prior Art

_What existing pieces should be combined or adopted?_

## Composition

_How do the building blocks assemble into a coherent product?_

## Target Users

_Who specifically is this for?_

## Success Metrics

_How will you know this is working?_

## Open Questions

_What do you still need to learn?_
