Detail
Type Wlr. - Sehningen is a Weiler (Farm or Small Village).
OA Göppingen - The Oberamt for Sehningen is Göppingen. The Oberamt is a government district.
See Boll 4) - A See notation means the entry is dependent on another entry. In this case, Sehningen is dependent on Boll 4), which should be consulted for additional information.