sg on a code or a service provider name basis using the information or the basic sg may provide the information to the user so that the user can selectively receive an sg this information can be provided in the form of a user identifiable name directly to the user by u2018 spname u2019 as well as in the form of an id by idref the sub element serviceidref indicates a service associated with the stand alone sg or the complementary sg within the basic sg serviceidref includes an id identifying a service fragment corresponding to the service therefore when serviceidref includes an id the terminal detects a service fragment that matches the id in the basic sg and is aware that the stand alone sg or the complementary sg to be received is associated with the detected service fragment the sub element serviceguidedeliveryunit indicates sgdus associated with the stand alone sg or the complementary sg in a delivery session that the access fragment indicates the service provider provides the basic sg and the stand alone sg or the complementary sg in the same delivery session by providing an sgdu list so that sgs can be received classified and managed according to the sgdu list fig7 is a block diagram of a bcast network system for providing a bcast service and a bcast terminal according to an exemplary embodiment of the present.