Collection

From Wikinfo

In common usage, a collection is any group of items that has one or more properties in common. For example, paintings from the same artist, or coins from Germany before 1900, see collecting and collectible.

In mathematics, collection is another term for set, or sometimes for class.

References

• Adapted from the Wikipedia article, "Collection" http://en.wikipedia.org/wiki/Collection, used under the GNU Free Documentation License