Radicals ( Radical77) three strokes in Kanji;

dimensional, e.g.

;

directional, e.g.

;

logical, e.g.

in Kanji: notice that this character is at left side;

numerological, e.g.

3;

structural, e.g.

idea diff ( HOW logical may begin), also see: Radical76;

in 2,3 dimensional imaginary space (our earth environment), Body Length Index ( BLI) of human beings' distance measurement (top, down) length is approx. 5 cm diff to (left, right) length; BLI may vary on human beings livable moons, i.e. because of yellowish variations;

on our earth, IFF (if and only if) you are facing toward north, right hand can point to east (sunrise) location, and left hand can point to west (sunset) location; also see: Directions;

Radicals;