> For the complete documentation index, see [llms.txt](https://gitbook.semantify.it/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook.semantify.it/readme.md).

# DS Specifications Overview

This public repository holds documentation for the specifications related to DS (Domain Specifications).

* [Domain Specifications](/domainspecifications.md) - Domain Specifications (DS) are structured documents that define syntactic and semantic, domain-specific constraints for Schema.org annotations.
* [Vocabularies](/vocabularies.md) - Vocabularies are structured documents which define different elements (like classes and properties) that are used to construct semantic annotations.
* [Lists](/lists.md) - Lists are structured documents that contain several Domain Specifications or Vocabularies.
* [Schema.org Verification](/sdo-verification.md) - Holds information relevant to the verification of semantic annotations based on the schema.org vocabulary.
* [RDF-conform Vocabulary for these specifications](/ds-vocabulary.md) - Holds a vocabulary that defines terms needed to express the structured documents found in this specification.