§13Lesson · Going DeeperGlossaryEvery key term defined, linked, and cross-referenced08 min readLast reviewed 2026-06-05Going Deeper34 of 34 terms shownAuthority HintsAutomatic RegistrationConstraintsEntityEntity ConfigurationEntity IdentifierEntity StatementExplicit RegistrationFetch EndpointHistorical Keys EndpointIntermediate EntityJWKSLeaf EntityList Endpointmax_path_lengthMetadataMetadata Policynaming_constraintsResolve EndpointResolved MetadataSubordinate StatementTrust AnchorTrust ChainTrust Chain ResolutionTrust MarkTrust Mark IssuerTrust Mark Status EndpointWell-Known Endpointjwks (general-purpose JWT claim)metadata (general-purpose JWT claim)crit (general-purpose JWT claim)BCP 47 language taggingMedia Types (federation)String Operations (Entity ID comparison)Further readingNormative spec§1.2Terminology§13General-Purpose JWT Claims§14Claims Languages and Scripts§15Media Types§16String OperationsFrequently Asked QuestionsReal-World Use Cases