You must register an application if you want to use Application Administration to grant or deny users or groups access to specific functions.
By registering an application on a specific system, you make the application available to all users and groups when they sign on to that system. Whether they can actually access an application's administrable functions depends on their access setting.
You might want to register applications with the Local Settings or the Central Settings. If you register an application with just the Local Settings, then you simply grant or deny access to the applications administrable functions. If you register an application with the Central Settings, not only do you grant or deny access to the administrable functions, but also you can work with the Central Settings which include the advanced settings that allow you to the administer passwords, connections, services, language attributes, and to automatically determine if new plug-ins are available.
To register an application with the Local Settings...