Distance From Line direction qualifier fromDirectType POSC 1.0 parallelToSide If the direction is measured from north line (FNL) or from south line (FSL), this means that the distance is measure parallel to the east or west side, whichever is closer. If the direction is measured from east line (FEL) or from west line (FWL), this means that the distance is measure parallel to the north or south side, whichever is closer. perpendicularToBase The distance is measured perpendicular to the line from which the distance is measured.