Domain

{{Wiktionary|domain|Domain}} A '''domain''' is a geographic area controlled by a single person or organization. '''Domain''' may also refer to: {{TOC right}}

== 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 === {{hatnote|Name for parkland made available for public use by the monarch or representative; examples below}} * 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 === {{hatnote|Per Public Domains Act 1860 (24 Victoriae 1860 No 32); examples below}} * 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)