Detail
Type Hof - Hagen is a Hof (Farm, Manor, Courtyard).
Kr Plön - The Kreis for Hagen is Plön. A Kreis is a government district (similar to a U.S. county).
See Dobersdorf - A See notation means the entry is dependent on another entry. In this case, Hagen is dependent on Dobersdorf, which should be consulted for additional information.