Radicals ( Radical205) eight strokes in Kanji;
dimensional, e.g.
Manmade Global Weather;
directional, e.g.
Weather;
logical, e.g.
in Hiragana: rain;
in Kanji: rain;
numerological, e.g.
8;
structural, e.g.
Monbusho level knowledge enhancement 2, idea ♯ 212, Rain;
Radicals;