This image depicts the application-level configuration options associated with Activity Stream. The Activity Stream tab is divided into the following sections: People, Spaces, Service Categories, Privacy, and Comments and Likes. Under each section are options for specifying whose activities to stream (People), whether to stream activities from spaces or just the Home space (Spaces), the services from which to stream activities (Service Categories), the users who are allowed to view the current user's activities and whether it is allowed to override this setting (Privacy), and whether comments and likes are allowed on streamed activities (Comments and Likes).