Line angles
SNA : How protrude or retruded the mandible (“retrognathic vs prognathic),4 degrees is normally considered significant in these relations
SNB: same but for mandible
ANB: Class (i.e. class III negative angle )
SN-GN : Divergence of of mandible
Maxillary incisor to SN plane: inclination of the maxillary incisor (greater = proclination)
Interincisal angle = ? still tells a hint of proclination of incisors
Maxillary and mandibular to NA/nb: position within skeletal base , protrusive, retrusive or well positioned
pg- to n perpendicular: idea of where the bony chin sits: deficient or too prominent.