Detail
Type Hrgr. - Horstmoor is a Häusergruppe (Group of Houses).
Kr Steinburg - The Kreis for Horstmoor is Steinburg. A Kreis is a government district (similar to a U.S. county).
See Horst 22) Holstein - A See notation means the entry is dependent on another entry. In this case, Horstmoor is dependent on Horst 22) Holstein, which should be consulted for additional information.