#demarcation__demarcation_line__demarcationline  the boundary of a specific area
  supertype:  bounds__boundary  the line or plane indicating the limit or extent of something
  subtype:  city_limit__city_limits  the limits of the area occupied by a city or town
  subtype:  upper_limit  the limit on the upper (or northernmost) side of something
  subtype:  lower_limit__lowerlimit  the limit on the lower (or southernmost) side of something
  subtype:  three-mile_limit  the limit of a nation's territorial waters

No statement uses or specializes demarcation; click here to add one.