**Four categories of knowledge within a domain.**
Among the class of 2x2-Grid-based ways of categorization (alongside the Punnet Square and the [[The Eisenhower Square]]) is the known/unknown matrix.
![[PNG20image.png]]
# Components
1. [[Known Knowns]]
2. [[Known Unknowns]]
3. [[Unknown Knowns]]
4. [[Unknown Unknowns]]
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## Source
## Related
- [[Planning Fallacy]]
- [[The Eisenhower Square]]
- [[Have a Buffer]]