# Classes

- [CollectionEvent](/metadata-for-language-data/classes/collectionevent.md)
- [CollectionProtocol](/metadata-for-language-data/classes/collectionprotocol.md)
- [DataLicense](/metadata-for-language-data/classes/datalicense.md)
- [DataDepositLicense](/metadata-for-language-data/classes/datadepositlicense.md)
- [DataReuseLicense](/metadata-for-language-data/classes/datareuselicense.md)