>a 1 to 1 correspondence between a single character and a sound. While you're correct that the Japanese writing system is not an alphabet, I feel like your def

>a 1 to 1 correspondence between a single character and a sound. While you're correct that the Japanese writing system is not an alphabet, I feel like your definition here is so vague it almost contradicts your point. After all, each kana character has a much closer correspondence with a particular "sound" than many actual alphabets. So to clarify, the characters of an alphabet (notionally) correspond to particular phonemes.