# Source Tag

> A formal definition of the tag for a file that produces the records a pipeline starts from, filed in a sources folder.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Pipeline Tag](https://banes-lab.com/records/lexicon/pipeline-tag.md) and before [Sink Tag](https://banes-lab.com/records/lexicon/sink-tag.md).

## Category

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