This data flow diagram illustrates the flow of events, calls, and responses between the web browser, the web application, and Oracle Identity Cloud Service for authenticating users. At the top, boxes represent the web browser, the web application, and Oracle Identity Cloud Service. The web application box contains smaller boxes that are labeled Authentication Module, Callback Module, and Home Page. The flow between the components of the web application, the web browser, and Oracle Identity Cloud Service is shown by using numbers and arrows. The flow is described in the text that follows the diagram.