Detail
Type Zk. - Bohrer is a Zinken (Outlying Farm).
A Freiburg - The Amtsbezirk for Bohrer is Freiburg. The Amtsbezirk is the District Office.
See Horben - A See notation means the entry is dependent on another entry. In this case, Bohrer is dependent on Horben, which should be consulted for additional information.