Composition deals with the bits and pieces that make up things.
- Structure
- Chemistry and physics deal with the composition of materials
- In computer science, a composition is a manner to form data structures with elements where the structure contains data objects or other structures, namely the structure is in the relationship of "has a", rather than "is a", or one-to-one correspondence.
- In mathematics, functional composition is a means of creating a new function from two existing functions.