He started with N5: 日 (sun), 月 (moon), 人 (person). Simple. But he didn't just define them. He painted a picture. “Sun and moon together become ‘bright’ (明).” He added a tiny sketch: a smiling face holding a lantern.
The concept was radical. Traditional dictionaries listed kanji by radical or stroke count. That was like teaching someone to swim by throwing them into a typhoon. Instead, Kenji organized the 2,500 kanji by story and emotional frequency . He started with N5: 日 (sun), 月 (moon), 人 (person)
The 2,500 Bridges