函授课程

correspondence course

envelope / case / letter

variant of 函[han2]

to teach by correspondence

to teach / to instruct / to award / to give

(bound form) to confer; to give / (bound form) to teach; to instruct / (literary) to appoint

to teach / to give lessons

subject / course / CL:門|门[men2] / class / lesson / CL:堂[tang2],節|节[jie2] / to levy / tax / form of divination

course / academic program / CL:堂[tang2],節|节[jie2],門|门[men2]

rule / order / regulations / formula / journey / procedure / sequence