題 - topic, subject

(doing) as one pleases; to one's heart's content; letting (something) go unchecked; leaving uncontrolled; leaving (something) to take its own course

to be titled (e.g. a book); to be named

the problem (at issue); the point at issue; problematic issue; problem

subject; theme; issue; matter

environmental problem; environmental issue

proposition; thesis; notion; theory

question (e.g. on a test); problem

different thing; another question; different case

North-South problem

main topic; main subject; main issue; main question

title lettering

difficult problem; challenge