Radicals ( Radical118) four strokes in Kanji;

dimensional, e.g.

;

directional, e.g.

GUI; 18 forms; OS;

logical, e.g.

in Hiragana: origin; source;
base; basis; foundation; root;

cause;

ingredient; material;

object's location; object's side;

original cost;

plant's root; tree's trunk;

counter for grass's blades, tree's trunks, ... ;

in Kanji: beginning; former time; origin;

in Pali language: pronunciation of i.e. one of the mantra (s) ; also see: 3 (e.g. mantra, mudra, sutra);

Genji (name); Uon (family name, surname); Un (family name, surname);

numerological, e.g.

4;

structural, e.g.

cause; exercise; exert; reach out; Radical80;

cause; reason; significance; Radical254;

in 1980s, GUI, Graphical User Interface, invented with 18 forms; And, knowing all 18 forms of GUI, approx. worth 1+ trillion US dollar, e.g. OS (Operating System) ... ;

originator; SpecialRadical253;

regarding computing, all purpose certificate (root agency), also see: info;

Radicals;