(arteigene) ethics. For the "Nordic" person, for example, Christian morality was a typical alien morality. Fremdvölker (Foreign peoples) – descriptive terms for foreigners, or those of non-Aryan blood who were considered alien to the German population. Frontgemeinschaft – front line community. It was termed for the solidarity felt by the German soldiers of World War I in the trench warfare. Führer – leader. Adolf Hitler was called "Der Führer". Also an early SA and SS rank, later changed to Sturmführer. Führerbefehl – "the leader's orders"; special directives personally issued by Hitler himself. These were considered the utmost unbreakable orders in Nazi Germany, the last of which was to defend Berlin at all cost (and resulting in the suicides of the most fanatical followers). Führerbunker – (literally meaning "shelter [for the] leader" or "[the] Führer's shelter") was located about 8.2 metres beneath the garden of the old Reich Chancellery building at Wilhelmstraße 77, and about 120 metres north of Hitler's New Reich Chancellery building in Berlin. This underground bunker was Hitler's last FHQ. Further, it is where Hitler and his wife Eva Braun spent the last few weeks of the war and where their lives came to an end on 30 April 1945. Führerhauptquartiere (FHQ), a number of official headquarters especially constructed for use by the Führer. Führerprinzip – the "leader principle", a central tenet of Nazism and Hitler's rule, based on absolute hierarchical authority and unquestioning obedience. Führersonderzug – Hitler's special command train, functioning as Führer headquarters when he was on board. Führerstaat – the concept of Hitler's dictatorship of one-man rule. Führerstadt ("Führer-city") – title bestowed on five different German and Austrian cities (Berlin, Munich, Hamburg, Linz, and Nuremberg) which were to undergo major architectural reconstruction. SS-Führungshauptamt – SS Leadership Head Office, the administrative headquarters of the Waffen-SS. G Gau, pl. Gaue – NSDAP regional districts which functioned as the de facto administrative organization of Nazi Germany from 1935 to 1945. Further subdivided into: Bezirke – districts Kreise – counties or subdistricts; smaller units of the Bezirk Ortsgruppen – Party branch or local branches. It took a minimum of fifteen members to be recognized Hauszellen – tenement cells Straßenzellen – street cells Stützpunkte – strong points Gauführer – very early SA and SS rank, indicating the SA or SS leader for a Gau; renamed Oberführer in 1928. Gauleiter – the head of a Gau or of a Reichsgau. They