A domain is a geographic area controlled by a single person or organization. Domain may also refer to:
Law and human geography
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Demesne, in English common law and other Medieval European contexts, lands directly managed by their holder rather than being delegated to subordinate managers
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Domaine, a large parcel of land under single ownership, which would historically generate income for its owner.
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Eminent domain, the right of a government to appropriate another person's property for public use
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Private domain / Public domain, places defined under Jewish law where it is either permitted or forbidden to move objects on the Sabbath day
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Public domain, creative work to which no exclusive intellectual property rights apply
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Territory (subdivision), a non-sovereign geographic area which has come under the authority of another government
Science
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Domain (biology), a taxonomic subdivision larger than a kingdom
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Domain of discourse, the collection of entities of interest in logical analysis
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High-field domain (physics) in semiconductors, also called Böer domain
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Knowledge domain, knowledge within a certain discipline, often formalized as a terminology
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Magnetic domain (physics), a region within a magnetic material which has uniform magnetization
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Protein domain (biology), a part of a protein that can exist independently of the rest of the protein chain
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Social domain, a concept in sociology
Mathematics
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Domain (mathematical analysis), an open connected set
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Domain (ring theory), a non-trivial ring without left or right nonzero zero divisors
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Integral domain, a non-trivial commutative ring without nonzero zero divisors
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Atomic domain, an integral domain in which every nonzero non-unit is a finite product of irreducible elements
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Bézout domain, an integral domain in which the sum of two principal ideals is again a principal ideal
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Euclidean domain, an integral domain which allows a suitable generalization of the Euclidean algorithm
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Dedekind domain, an integral domain in which every nonzero proper ideal factors into a product of prime ideals
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GCD domain, an integral domain in which every two non-zero elements have a greatest common divisor
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Principal ideal domain, an integral domain in which every ideal is principal
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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
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Domain of a function, the set of input values for which the (total) function is defined
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Domain of definition of a partial function
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Natural domain of a partial function
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Domain of holomorphy of a function
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Domain of an algebraic structure, the set on which the algebraic structure is defined
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Domain of discourse, the set of entities over which logic variables may range
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Domain theory, the study of certain subsets of continuous lattices that provided the first denotational semantics of the lambda calculus
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Frequency domain, the analysis of mathematical functions with respect to frequency, rather than time
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Fundamental domain, subset of a space that contains exactly one point from each orbit of the action of a symmetry group
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Time domain, the analysis of mathematical functions with respect to time
Information technology
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Administrative domain
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Broadcast domain, in computer networking, a group of special-purpose addresses to receive network announcements
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Collision domain
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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
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Application domain, a mechanism used within a Common Language Infrastructure to isolate executed software applications from one another
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Programming domain, a set of programming languages or programming environments that were engineered specifically for a particular domain (software engineering)
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Network domain, a named grouping of hosts and servers with managed login, access to resources, and permissions.
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Domain name, a label that identifies a realm of administrative autonomy, authority, or control within the Internet
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Attribute domain, the set of values allowed in an attribute.
Places
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The Domain (Austin, Texas), a shopping mall in Austin, Texas, United States
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Domain (Hong Kong shopping centre), a shopping mall in Yau Tong, Kowloon, Hong Kong
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Domain, Manitoba, a hamlet in Manitoba, Canada
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Domain Precinct, a part of South Yarra in Melbourne, Victoria, Australia
Australian public domains
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The Domain, Sydney, a large open space near the central business district of Sydney
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Kings Domain, Melbourne, Victoria
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Queens Domain, Hobart, Tasmania
New Zealand public domains
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Auckland Domain: a large inner-city park in Auckland
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One Tree Hill Domain in Auckland
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Mount Eden in Auckland
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Mount Smart Domain in Auckland
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Mangere Mountain in Mangere
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Hamilton Lake Domain in Hamilton
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Taumarunui Domain in Taumarunui
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Ashburton Domain in Canterbury
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Ocean Beach Domain in Dunedin
Entertainment
Film
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Domain (2009 film), a French film
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Domain (2016 film), an American film
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The Domain (film), a 2019 Portuguese film
Music
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"Domain", track by John Carpenter from Lost Themes
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"Domain", a song by KSI from the 2020 album Dissimulation
Other uses
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Domain, or battlespace, a concept in military operations dividing operating environments into defined components
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Domain Group, an Australian real estate marketing portal, owner of the brand domain.com.au and others
See also
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Dominion (disambiguation)