Domain
From open-dictionary.com - the free dictionary.
Noun
domain
- A geographic area owned or controlled by a single person or organization.
- An area of sphere of influence.
- A group of related items, topics, or subjects.
- (Mathematics) the set of all possible values for a given function.
- (Computers) a group of computers that share a common network address.
- (Computers, Internet) the name of the host computer(s) as expressed within a URL. For example: wiktionary.org.