complex (not simple or straightforward)

needed, necessary

need, necessity

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

Alternative spelling of 組文字

(typography) character composition (arrangement and spacing of characters so that they are distributed in a body of text correctly, according to typographic rules)

horizontal typesetting

vertical typesetting

(typography, printing) solid composition (text composition with no spacing)

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)