relative position

RP

a term designating one locality as relative to another; 1) upper or lower when the positional difference is measured vertically, 2) hinter or nether when the difference is measured with respect to a specific reference locality, 3) a direction word, e.g., northwest, when the locality is horizontally apart from the other, or 4) a directional word, e.g., northwestern, when the location is a part of the other; the semantic space of these last two kinds of r.p. may be specified in terms of precision, where northwest is number seven of eight points around the compass, and north-northwest is 15 of 16; the r.p. is introduced in PS-RULE LP2, LP3 and LP5