subtitles; captions (of a movie etc)

letter; symbol; character; word; CL:個|个[ge4]; courtesy or style name traditionally given to males aged 20 in dynastic China

numeral; digit; number; figure; amount; digital (electronics etc); CL:個|个[ge4]

to sign (one's name); signature

letter (of the alphabet); CL:個|个[ge4]