subject; title; topic; exercise or exam question (CL:道[dao4])

subject matter

autograph; to sign one's name

to write an inscription (poem, remark, autograph etc); an inscription

to create a work of calligraphy for display in a prominent place (typically, a sign)

question; problem; issue; topic; CL:個|个[ge4]

subject (of a talk or conversation); topic

theme; subject

difficult problem

title; heading; headline; caption; subject