noun
composition
kahm-puh-ZIH-shuhn/ˌkɑːmpəˈzɪʃn/
The combining of elements into a unified work.
The oranges, grapes, and pears form a balanced composition.

Etymology
The pieces describe 'placing together,' first naming the action of combining or arranging. In this sense, the focus is on the resulting make-up: how the parts constitute the whole.
In context
so just by this process of assimilating rock inwards into the melt i can change its composition now
More examples
- Her piano composition begins with a simple melody.
- The students revise their compositions before handing them in.
- She studies composition to learn how shapes work together.
Forms
composition · compositions
compose verb — To create a work by combining elements.
composer noun — A person who creates musical works.
Similar words
- arrangement
- Emphasizes how parts are placed in relation to one another.
- structure
- Refers to a whole's framework rather than its creation.