Detail
Type Hrgr. - Loch is a Häusergruppe (Group of Houses).
A Triberg - The Amtsbezirk for Loch is Triberg. The Amtsbezirk is the District Office.
See Schönwald - A See notation means the entry is dependent on another entry. In this case, Loch is dependent on Schönwald, which should be consulted for additional information.
Vgl Loh - A Vgl (Vergleiche) notation lists places with similar spellings that you may want to compare. In this case, you may want to try searching for Loh.