Detail
Type Ein. - Seebäck is a Einöde (Outlying Farm).
BA Wasserburg - The Bezirksamt for Seebäck is Wasserburg. The Bezirksamt is the District Office.
See Lappach 1) - A See notation means the entry is dependent on another entry. In this case, Seebäck is dependent on Lappach 1), which should be consulted for additional information.