Type D. - Preuschmark is a Dorf (Village).

Lvl I Pr. - Level I shows which Kingdom or State the place is located in. Preuschmark is located in Preussen.

Prov Westpr. - The Province shows which Province or State the place is located in. Preuschmark is located in Westpreussen.

RB Danzig - The Regierungsbezirk for Preuschmark is Danzig. The Regierungsbezirk is a government district that is in hierarchy between the State and Kreis level.

AG Elbing - The Amtsgericht for Preuschmark is in Elbing. The Amtsgericht is where the Lower District Court is located.

BKdo Marienburg - The Bezirkskommando for Preuschmark is in Marienburg. The Bezirkskommando is the District Military Command. You can look in the BKdo to find military records.

StdA Preuschmark B. Danzig [self] - The Standesamt for Preuschmark is in itself. The Standesamt is where the Civil Registration Office is located.

A Preuschmark B. Danzig [self] - The Amtsbezirk for Preuschmark is itself. The Amtsbezirk is the District Office.

ev. Pfk. 1 - Preuschmark has 1 evangelisch Pfarrkirche (Protestant parish church).

Vgl Preussisch Mark - 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 Preussisch Mark.