Radicals ( Radical10) two strokes in Kanji;

dimensional, e.g.

Nippon Syllabary 's one of the characters: i in Hiragana a.k.a. i in Katakana;

directional, e.g.

;

logical, e.g.

human beings in distance; previously done;

man; Radical9;

roger that; roger this;

numerological, e.g.

2;

structural, e.g.

left side, and right side are equal at the bottom, left side, and right side are not equal at the top;

prefix, as opposed to suffix;

Radicals;