• app registration
• authentication and authorization
• https://learn.microsoft.com/en-us/azure/active-directory/manage-apps/
• https://learn.microsoft.com/en-us/azure/active-directory/develop/app-objects-and-service-principals
• The configuration that is under Enterprise applications is the security/service principle used by the app.

When the MS Graph Powershell module connects to MS Graph for the first time the user will be prompted to consent to the permissions/scope needed.