Collection (noun)

1. A group of objects or works of art kept or shown together.
2. A group of things or items.
3. A set of items or works of art kept or shown together.

Origin:

Late middle english: from old french, or from latin collectio(n-), from colligere "gather together".

Examples:

1. The museum has a large collection of art.
2. The library has a collection of books.
3. The store has a collection of clothing.
4. The collector has a collection of stamps.
5. The scientist has a collection of specimens.