"The two main constituent groups were the Allgemeine SS (General SS) and Waffen-SS (Armed SS). The Allgemeine SS was responsible for enforcing the racial policy of ...
Nazi Germany and general policing, whereas the Waffen-SS consisted of combat units within Nazi Germany´s military. A third component of the SS, the SS-Totenkopfverbände (SS-TV), ran the concentration camps and extermination camps. Additional subdivisions of the SS included the Gestapo and the Sicherheitsdienst (SD) organizations. They were tasked with the detection of actual or potential enemies of the Nazi state, the neutralization of any opposition, policing the German people for their commitment to Nazi ideology, and providing domestic and foreign intelligence." - (en.wikipedia.org 30.01.2020)