Definition of "Composition" :
noun: the act of creating written works
noun: musical creation
noun: something that is created by arranging several things to form a unified whole
"He envied the composition of their faculty."
noun: the way in which someone or something is composed
noun: the spatial property resulting from the arrangement of parts in relation to each other and to the whole
"Harmonious composition is essential in a serious work of art."
noun: an essay (especially one written as an assignment)
"He got an A on his composition."
noun: art and technique of printing with movable type
noun: a musical work that has been created
"The composition is written in four movements."
noun: a mixture of ingredients