#path.line__track__course  a line or route along which something travels or moves: "the hurricane demolished houses in its path"; "the track of an animal"; "the course of the river"
  supertype:  line.location  a spatial location defined by a real or imaginary unidimensional extent
  subtype:  collision_course.path__collisioncourse  a course of a moving object that will lead to a collision if it continues unchanged
  subtype:  inside_track.path__insidetrack  the inner side of a curved racecourse
  subtype:  round.path  the course along which communications spread; "the story is going the rounds in Washington"
  subtype:  steps__step  the course along which a person has walked or is walking in; "I followed in his steps"; "he retraced his steps"
  subtype:  swath.path__belt  a path or strip (as cut by one course of mowing)
  subtype:  trail.path  a track or mark left by something that has passed; "there as a trail of blood"; "a tear left its trail on her cheek"
     subtype:  slot.trail  the trail of an animal (especially a deer)
     subtype:  spoor  the trail left by a person or an animal; what the hunter follows in pursuing game; "the hounds followed the fox's spoor"

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