A composition can be a musical piece, a story, a poem, whatever. It can also be a type of notebook that you write your creations in.
it can mean two things, (1)mineralogical composition or (2)Chemical composition
The composition of a substance is what it is made of.
population composition refers to the structure of population
Composition Means When You Compose A Story Or Put Something Together.
Composition means what something is made from, as in "The composition of this soil is sand and loam."
A substance's composition is what it is made out of. Koolaid's composition is water and koolaid powder. Alternatively, it could mean what someone makes, although that is much less common. By that I mean, a song would be a musician's composition.
A composition is a short essay. Composition also refers to how you structure your writing using the correct grammar rules and rhetoric.
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Did you mean composition? Composition refers to the arrangement or combination of different elements to create a whole. It could relate to various forms of art, music, or writing.
For substances, composition means the constituent materials or elements. For writing or music, composition is the act of composing or creating, combining the separate elements or aspects into a whole.
Please resubmit your question giving more detail e.g. what do you mean by body composition?