Forbidden, Unauthorized, or What Else?

How to use HTTP status code in the authorization context? When to use “401 Unauthorized” status code? When to use “403 Forbidden”? Let’s try to clarify. Source: Auth0

How to use HTTP status code in the authorization context? When to use “401 Unauthorized” status code? When to use “403 Forbidden”? Let’s try to clarify.
Source: Auth0