Design System Documentation
Design system documentation explains how a Design System should be used, maintained, and extended.
It can describe:
- component purpose
- component variants
- fixed and flexible parts
- spacing rules
- responsive behavior
- accessibility rules
- interaction states
- implementation notes
Documentation can be lightweight or detailed depending on project scale.
Minimum Useful Documentation
At minimum, documentation should explain:
- what the component or pattern is for
- when to use it
- when not to use it
- what variants and states exist
- what content rules apply
- what accessibility rules apply
- what design tokens or styles it uses
- what developers need to implement
This is what separates a reusable system from a folder of reusable objects.
Main Sections
A useful design system style guide can include:
- getting started
- guidelines
- components
- patterns
- how-to guides
- downloads and resources
Component Sheet
A component page should answer:
- how to use it
- when to use it
- accessibility requirements
- good and bad usage examples
- design specifications
- code and development notes
- versioning
Good documentation turns a component library into a usable system. Without documentation, people can copy components but may still use them in the wrong context.