!CHAPTER Appendix

- [References](References/README.md): Brief overviews over interfaces and objects
  - [db](References/DBObject.md): the `db` object
  - [collection](References/CollectionObject.md): the `collection` object
- [JavaScript Modules](JavaScriptModules/README.md): List of built-in and supported JS modules
- [Deprecated](Deprecated/README.md): Features that are considered obsolete and may get removed eventually
- [Error codes and meanings](ErrorCodes.md): List of all possible errors that can be encountered
- [Glossary](Glossary.md): Disambiguation page