# Module Tag

> A formal definition of the tag for a file that declares a self-contained unit with the surface it exports, filed in a modules folder.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Primitive Tag](https://banes-lab.com/records/lexicon/primitive-tag.md) and before [Package Tag](https://banes-lab.com/records/lexicon/package-tag.md).

## Category

- [Infrastructure Concerns](https://banes-lab.com/records/lexicon-category/infrastructure-concerns.md)