lutnilcla lujvo

x1=n1 is the length of path x2=p1=c1 between x3=p2 and x4=p3 defined by points x5=p4 (set) where the distance is on scale x6=n2=c3

Paths are 1D, so clani2 is derived. Cf. lijnilcla

In notes:

x1=n1 is the length of line x2=l1=c1 defined by set of points x3=l2 in measurement system x4=n2=c3