紅

crimson, deep red

Kun

べに · くれない · あかいbeni · kurenai · akai

On

コウ · クkou · kue.g.紅茶こうちゃblack tea

Kun is the Japanese reading, used when the kanji stands alone with kana after it. On comes from Chinese and is mostly used in compound words.

Radical

糸silk

Parts

糸silk工work幺short thread小small