Ma'anar ƙamus na kalmar "General Security Services" yana nufin samar da ayyuka daban-daban da suka shafi tsaro ga daidaikun mutane, ƙungiyoyi, da gwamnatoci. Wannan na iya haɗawa da ayyuka kamar tuntuɓar tsaro, kimanta haɗari, sabis na tsaro, shigarwa da kiyaye tsarin tsaro, sabis na bincike, da tsaro na taron, da sauransu. Kalmar “Janar” a cikin wannan mahallin gabaɗaya tana nuna cewa ayyukan tsaro da aka bayar suna da faɗi da yawa kuma ba su ƙware a kowane yanki ba.