# Tribal Knowledge

> Critical architectural knowledge held only in the developers' heads and never recorded, lost when they leave.

Record: `lexicon:tribal-knowledge`
Kind: anti-pattern
Layer: [Evolution Principles](https://banes-lab.com/records/layer/evolution-principles.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-tribal-knowledge

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Trade-Off Analysis](https://banes-lab.com/records/lexicon/trade-off-analysis.md) and before [Uncoordinated Divergence](https://banes-lab.com/records/lexicon/uncoordinated-divergence.md).

## Category

- [Architecture Review Evolution Governance](https://banes-lab.com/records/lexicon-category/architecture-review-evolution-governance.md)

## Negated by

- [Architecture Decision Records](https://banes-lab.com/records/architecture/architecture-decision-records.md)

## Linked from

- [Architecture Review / Evolution / Governance Artifacts](https://banes-lab.com/ontology/principles/architecture-category-architecture-review-evolution-governance-artifacts.md)