Bergfried"Bergfried (plural: bergfriede; FR: tour-beffroi, EN: belfry, ES: torre del homenaje) is a tall tower that is typically found in castles of the Middle Ages in German-speaking countries and in countries under German influence. Friar describes it as a "free-standing, fighting-tower". Its defensive function is to some extent similar to that of a keep (also known as a donjon) in English or French castles. However, the characteristic difference between a bergfried and a keep is that a bergfried was typically not designed for permanent habitation." - (en.wikipedia.org 27.03.2021) Burgturm Castle