Railway station types in Germany
The railways in Germany use several abbreviations to differentiate between various types of stations, stops, railway facilities and other places of rail service. == Places with a set of points == Bf – Bahnhof (railway station), defined as a place where trains may start, terminate, stop, overtake, meet or change directions, and that has at least one set of points.
Source: Wikipedia — Railway station types in Germany (CC BY-SA 4.0)