# Glossary

| Term                         | Description                                                                                                                                                 |
| ---------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Credential                   | A digital credential, format can be ISO (mdoc) or SD-JWT                                                                                                    |
| Credential Type              | An identifier that uniquely identifies the type of a Credential. (docType in ISO, vct in SD-JWT)                                                            |
| Credential Type metadata     | A metadata document that describes an SD-JWT Credential. (SD-JWT VC Type metadata spec)                                                                     |
| Credential metadata          | A metadata document that describes a Credential of either format, as part of the Credential Issuer Metadata. (`credential_metadata` in the OpenID4VCI spec) |
| Credential Presentation Data | NL Wallet internal format, to store attributes (stemming from Credentials) in a format-agnostic way.                                                        |
| Status List                  | A digitally signed document that describes th revocation status for a set of credentials. (Token Status List spec)                                          |
| Update Policy                | A policy describing app versions, information messages and mandatory updates                                                                                |
| Issuance Event               | An event in the log that informs the user about (attempted) issuances of a Credentials                                                                      |
| Disclosure Event             | An event in the log that informs the user about (attempted) disclosures of Credentials                                                                      |
| Verifier-Certificate         | Identifies a party that acts as verifier in a disclosure session with the Wallet-App                                                                        |
| Issuer-Certificate           | Identifies a party that acts as issuer in an issuance session with the Wallet-App                                                                           |