Meaning of COMPOSITION in English

[noun] [U]At music school I studied piano and composition (= the activity of writing music).Is this poem of your own composition (= did you write it)?A composition is a piece of music.His compositions include six symphonies and three operas.This concerto is one of her earlier/later compositions.A composition is also the way in which the things represented in a painting, photograph or other piece of art are arranged.a group compositionThe painting's composition is unusual and arresting.A composition can also be a short piece of writing done by students at school in order to improve their writing skills.a 200-word composition [C]Write a composition on your favourite hobby. [C]I hate doing composition (= producing a short piece of writing). [U]

Cambridge English vocab.      Кембриджский английский словарь.