Domain
Domain has several meanings:
- some kind of territory, such as (for example) a demesne or a realm
- In New Zealand a Town Domain is typically a public sport area administered by a Domain Board. (org ?)
- synonymous with field, e.g. the domain of computer science
- public domain, a body of works and knowledge without proprietary interest
- domain of discourse in symbolic logic
- eminent domain, the power of government to confiscate private property for public use
- in biology, a domain is a subdivision even larger than a kingdom
- in biochemistry and protein science, a domain is an autonomously folding functional module of a protein
- in physics a domain is a region of a solid inside which a property is uniform (for example magnetic domain in ferromagnetism)
- application domain, the kind of uses a computer program or something else is used for
- domain name, as used by a URL or Uniform Resource Locator.
Information technology
In information technology domains can occur as:
- a broadcast domain in computer networking
- a domain name, part of the name of a machine on the Internet
- a Windows Server domain, a centrally-managed group of computers using the Windows operating system
Mathematics
In mathematics domain can refer to:
- the domain of a function
- an ordered structure studied in domain theory
- integral domain or Euclidean domain — types of ring
- a set that is open and connected
Etymology
The original etymological implication of the word domain carries the idea of something ruled. Compare dominion.