# Prerequisites

- [The Relying Party](/v4.8/prerequisites/the-relying-party.md): aka the application you are interacting with
- [Credential Source](/v4.8/prerequisites/credential-source-repository.md): Authenticator details and how to manage them
- [User Entity](/v4.8/prerequisites/user-entity-repository.md): It's all about users
- [Javascript](/v4.8/prerequisites/javascript.md)