Detail
Type Wlr. - Zierling is a Weiler (Farm or Small Village).
BA Bogen - The Bezirksamt for Zierling is Bogen. The Bezirksamt is the District Office.
See Siegersdorf - A See notation means the entry is dependent on another entry. In this case, Zierling is dependent on Siegersdorf, which should be consulted for additional information.