A domain is a geographic area controlled by a single person or organization. Domain may also refer to:

Law and human geography

  • Demesne, in English common law and other Medieval European contexts, lands directly managed by their holder rather than being delegated to subordinate managers
  • Domaine, a large parcel of land under single ownership, which would historically generate income for its owner.
  • Eminent domain, the right of a government to appropriate another person's property for public use
  • Private domain / Public domain, places defined under Jewish law where it is either permitted or forbidden to move objects on the Sabbath day
  • Public domain, creative work to which no exclusive intellectual property rights apply
  • Territory (subdivision), a non-sovereign geographic area which has come under the authority of another government

Science

  • Domain (taxonomy), a taxonomic subdivision larger than a kingdom
  • Domain of discourse, the collection of entities of interest in logical analysis
  • High-field domain (physics) in semiconductors, also called Böer domain
  • Knowledge domain, knowledge within a certain discipline, often formalized as a terminology
  • Magnetic domain (physics), a region within a magnetic material which has uniform magnetization
  • Protein domain (biology), a part of a protein that can exist independently of the rest of the protein chain
  • Social domain, a concept in sociology

Mathematics

  • Domain (mathematical analysis), an open connected set
  • Domain (ring theory), a non-trivial ring without left or right nonzero zero divisors
  • Integral domain, a non-trivial commutative ring without nonzero zero divisors
  • Atomic domain, an integral domain in which every nonzero non-unit is a finite product of irreducible elements
  • Bézout domain, an integral domain in which the sum of two principal ideals is again a principal ideal
  • Euclidean domain, an integral domain which allows a suitable generalization of the Euclidean algorithm
  • Dedekind domain, an integral domain in which every nonzero proper ideal factors into a product of prime ideals
  • GCD domain, an integral domain in which every two non-zero elements have a greatest common divisor
  • Principal ideal domain, an integral domain in which every ideal is principal
  • Unique factorization domain, an integral domain in which every non-zero element can be written as a product of irreducible elements in essentially a unique way
  • Domain of a function, the set of input values for which the (total) function is defined
  • Domain of definition of a partial function
  • Natural domain of a partial function
  • Domain of holomorphy of a function
  • Domain of an algebraic structure, the set on which the algebraic structure is defined
  • Domain of discourse, the set of entities over which logic variables may range
  • Domain theory, the study of certain subsets of continuous lattices that provided the first denotational semantics of the lambda calculus
  • Frequency domain, the analysis of mathematical functions with respect to frequency, rather than time
  • Fundamental domain, subset of a space that contains exactly one point from each orbit of the action of a symmetry group
  • Time domain, the analysis of mathematical functions with respect to time

Information technology

  • Administrative domain
  • Attribute domain, the set of values allowed in an attribute
  • Broadcast domain, in computer networking, a group of special-purpose addresses to receive network announcements
  • Collision domain
  • Domain (software engineering), a field of study that defines a set of common requirements, terminology, and functionality for any software program constructed to solve a problem in a given field
  • Application domain, a mechanism used within a Common Language Infrastructure to isolate executed software applications from one another
  • Programming domain, a set of programming languages or programming environments that were engineered specifically for a particular domain (software engineering)
  • Network domain, a named grouping of hosts and servers with managed login, access to resources, and permissions.
  • Domain name, a label that identifies a realm of administrative autonomy, authority, or control within the Internet

Places

  • The Domain (Austin, Texas), a shopping mall in Austin, Texas, United States
  • Domain (Hong Kong shopping centre), a shopping mall in Yau Tong, Kowloon, Hong Kong
  • Domain, Manitoba, a hamlet in Manitoba, Canada
  • Domain Precinct, a part of South Yarra in Melbourne, Victoria, Australia

Australian public domains

  • The Domain, Sydney, a large open space near the central business district of Sydney
  • Kings Domain, Melbourne, Victoria
  • Queens Domain, Hobart, Tasmania

New Zealand public domains

  • Auckland Domain: a large inner-city park in Auckland
  • One Tree Hill Domain in Auckland
  • Mount Eden Domain in Auckland
  • Mount Smart Domain in Auckland
  • Mangere Domain in Mangere
  • Hamilton Lake Domain in Hamilton
  • Taumarunui Domain in Taumarunui
  • Ashburton Domain in Canterbury
  • Ocean Beach Domain in Dunedin

Entertainment

Film

  • Domain (2009 film), a French film
  • Domain (2016 film), an American film
  • The Domain (film), a 2019 Portuguese film

Music

  • "Domain", a track by John Carpenter from the album Lost Themes
  • "Domain", a song by KSI from the 2020 album Dissimulation

Games

  • Domain (game), an abstract strategy game first published in 1982

Other uses

  • Domain, or battlespace, a concept in military operations dividing operating environments into defined components
  • Domain Group, an Australian real estate marketing portal, owner of the brand domain.com.au and others

See also

  • Dominion (disambiguation)