Length is the second dimotion, $t, perceived as fixed space form.
As such it belongs to the motion-time of pure entropy, for all spatial lines/planes and its organic parts.
The shortest distance between two points is a straight lined this holds despite much confusion rising since relativity and its curved geodesics.
The Dimotion of length
Length distance in fact increases as the motion state when observed as a time dimension thins out, carrying less information. So each scale of reality will have different length distances, according to the quantity of information it carries, which makes paradoxically larger scales to have more length distance. We can consider this curious fact from several perspectives. Let us consider a few of them staring for the definition of a lineal distance-motion of time:
(To be cont’ed)