# Single-Unit Concern

> A formal definition of a concern with one instance per file, pairing a plural folder label with a singular file tag.

Record: `lex:single-unit-concern`
Kind: artifact
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-single-unit-concern

## category

- [Taxonomy / Classification / Naming](https://banes-lab.com/records/lex-category/taxonomy-classification-naming.md)