You can see a user's profile information by navigating to
http://example.com/user/UID, where UID is the user's ID number on the site. To see your own user profile, navigate to
http://example.com/user when you log in or click on the My account link.
The default user profile page exposes some useful functionality. First, it shows the user's profile, and secondly, it provides the Edit tab that allows a user to edit their profile. The Edit tab will only be visible to the owner of the profile or to administrative users with elevated permissions.
Other modules can add tabs to the core profile page. As shown in the preceding screenshot ...