Radicals ( Radical101) four strokes in Kanji;

dimensional, e.g.

www.jisho.org radical number 79 ... ;

directional, e.g.

;

logical, e.g.

in Kanji: pike; windy again;
weapon;

Shiyu (family name, surname);

numerological, e.g.

4; four;

structural, e.g.

IFF Computers, ENGLISH keyboard (101, 102); NIPPON keyboard (106, 109);

arm; weapon; Radical84;

Radicals;