# Concern Tag

> A formal definition of the role a file plays, drawn from the closed concern vocabulary and carried as the last dot-segment before the extension.

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

## category

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

## referenced-by

- [Positional Slot Resolution](https://banes-lab.com/records/arch/positional-slot-resolution.md)
- [Concern-Folder Correspondence](https://banes-lab.com/records/arch/concern-folder-correspondence.md)