This image contains a flow diagram of the OAuth 2.0
roles. It has an object named Client to the left and three objects named Resource Owner, Authorization Server, and Resource
Server to the right. The interactions between these objects are in order:
Authorization Request: from Client to Resource Owner
Authorization Grant: from Resource Owner to Client
Authorization Grant: from Client to Authorization Server
Access Token: from Authorization Server to Client
Access Token: from Client to Resource Server
Protected Resource: from Resource Server to Client