# The Core Four
Source: https://humanspark.ai/frameworks/core-four/

*Four portable files - Who, What, How, Why - that give any AI your context.*

**When to use:** Setting up persistent context for anyone who uses AI regularly.

Who

who.md

Your role, team, organisation and culture.

What

what.md

Your active projects and what "done" looks like.

How

how.md

Your voice, banned words, formatting and tools.

Why

why.md

Your values and how you make trade-offs.