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