Radicals ( Radical66) three strokes in Kanji;

dimensional, e.g.

;

directional, e.g.

;

logical, e.g.

in Kanji: bow;
archery bow; bow for violin;

Hiroshi (name); Kyuu (name); Kyuuji (name);

numerological, e.g.

3;

structural, e.g.

;

Radicals;