a form of cryptic Japanese writing that substitutes similar-looking characters for the characters intended, used especially in text messages / the characters or symbols used for such substitutions

(archaic, women's speech) you

phonemic script; phonetic writing; alphabet

(computing) character encoding

any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

(possibly dialect, Tōhoku) any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

corrupt characters or letters, especially from display or transfer through an inappropriate character set or encoding, e.g., •¶Žš‰»‚¯, which is a corruption of 文字化け

(computing) ghost character (kanji included in JIS X 0208 but of unknown origin)

abjad

Arabic (alphabet)