Domain
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robot Adding: [[eo:Domajno]]
{{Wiktionary|domain}}
'''Domain''' is the distinguished part of an abstract or physical space where something exists, is performed, or is valid.
For example, we may talk about: ''domain of interest'', ''domain of activity''.
This concept is used in every branch/sector/field of human activity.
It also has several meanings:
==General==
* some kind of [[territory (country subdivision)|territory]], such as (for example) a [[demesne]] or a [[realm]]
* a [[field of study]]
* [[public domain]], a body of works and knowledge without proprietary interest
* [[eminent domain]], the [[power (sociology) | power]] of government to confiscate private property for public use
==Places==
* [[The Domain (Austin)|The Domain]], a shopping mall in Austin, Texas, USA
* in several [[Commonwealth of Nations|Commonwealth]] countries, the name for parkland made available for public use by the [[British monarchy|monarch]] or their representative, the [[Governor]]. Examples include:
** [[The Domain, Sydney]]: a large open space near the [[central business district]] of [[Sydney]], [[Australia]]
** [[Kings Domain, Melbourne]]: in [[Victoria (Australia)|Victoria]], [[Australia]]
** [[Queens Domain, Hobart]]: in [[Tasmania]], [[Australia]]
** [[Auckland Domain]]: a large inner-city park in [[Auckland]], [[New Zealand]] containing an ancient volcano and the [[Auckland War Memorial Museum|War Memorial Museum]]
** Throughout New Zealand a ''Town Domain'' is typically a public sport area administered by a ''Domain Board''.
* The [[Domain Tunnel, Melbourne]]: a tunnel that runs underneath the [[Yarra River]] and the Kings Domain in [[Victoria (Australia) |Victoria]], [[Australia]]
==Sciences==
* synonymous with a metaphorical field, e.g. "the domain of computer science"
* [[domain (biology)]], a subdivision even larger than a [[kingdom (biology)|kingdom]]
* [[protein domain]], an autonomously folding functional module of a [[protein]]
* [[domain (physics)]], a region of a solid inside which a property is uniform (for example [[magnetic domain]] in [[ferromagnetism]])
* atomic domain - a domain whose elements are classified as indivisible units
* [[domain of activity]] (in [[cognitive science]]), a [[mental]] or physical area where an [[intelligent agent]]/[[entity]] acts or is able to act, its determination is essential for the efficacy of [[reasoning]], [[comprehension]] and [[cooperation]]
* [[domain knowledge]], a specific [[expert]] [[knowledge]] valid for a pre-selected area of activity (for ex. nuclear plant engineering, negotiation methods, surgery) - it is [[domain-independent|domain-dependent]]
==Mathematics==
In [[mathematics]] ''domain'' can refer to:
* the [[domain (mathematics)|domain]] of a [[function (mathematics)|function]]
* one of the domains of a [[relation (mathematics)|relation]]
* an ordered structure studied in [[domain theory]]
* a [[domain (ring theory)|ring-theoretic domain]], an [[integral domain]] or a [[Euclidean domain]] — types of [[ring (mathematics)|ring]]
* an [[open set|open]] and [[connected space|connected]] [[set]]
* [[domain of discourse]] in [[symbolic logic]]
==Information technology==
In [[information technology]], the term ''domain'' can refer to:
* a collection of network devices that are organized under a common network name ([[Domain name]]), in particular in the Internet [[Domain Name System]] (DNS) (<tt>example.com</tt>, for example)
* a [[Windows Server domain]], a centrally-managed group of computers using the [[Microsoft Windows|Windows]] operating-system
* a [[broadcast domain]] in computer networking, a group of special purpose addresses intended and enabled to receive network announcements.
* an [[application domain]] - the kinds of purposes for which users use a [[software system]]
* a [[software engineering]] [[domain (software engineering)|domain]] - a field of study that defines a set of common requirements, terminology, and functionality for any software [[computer program | program]] constructed to solve a problem in that field. See also [[domain-specific programming language]]s.
* a [[CLR application domain]], a mechanism for separating executed applications (similar to a [[process (computing)|process]])
* In [[Database | Database Theory]], a [[data domain]] is a set of all permitted values.
* a workstation operating system called [[Domain/OS]].
* a group of computers on a network that share a common directory or storage locations.
==Music==
* [[Domain (album)]], the debut album by the British metal band Above All
* [[Domain (band)]], a German heavy metal band
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[[eu:Domeinu]]
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[[ko:도메인]]
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[[he:תחום]]
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[[ja:ドメイン]]
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[[pt:Domínio (desambiguação)]]
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