Radicals ( Radical168) six strokes in Kanji;
dimensional, e.g.
;
directional, e.g.
;
logical, e.g.
in Hiragana: millstone; mortar;
in Kanji: mortar;
Erika (female name); Shioura (name); Usu (family name, surname);
numerological, e.g.
6;
structural, e.g.
;