KANJI GUIDE
Clear and cheerful, of a voice or a person. 明朗 is bright and open; 朗読 is reading aloud.
The only one. 唯一 is unique; 唯我独尊 is standing alone above all.
The character in 武士道, the way of the samurai, and in 柔道. Read dō, and the head of it is taken for do.