 Domain

Domain may refer to:
General
 Territory (administrative division), a nonsovereign geographic area which has come under the authority of another government
 Public domain, a body of works and knowledge without proprietary interest
 Eminent domain, the power of government to confiscate private property for public use
 Domain, a game published by Parker Brothers in 1983
Sciences
 Domain (biology), a subdivision even larger than a kingdom
 Domain knowledge, a specific expert knowledge valid for a preselected area of activity, such as surgery
 Domain specificity, a theoretical position arguing that many aspects of cognition are supported by specialized learning devices
 Domain wall, a term used in physics which can have one of two distinct but similar meanings in either magnetism or string theory
 Magnetic domain, a region within a magnetic material which has uniform magnetization
 Protein domain, a part of a protein that can exist independently of the rest of the protein chain
Information technology
 Administrative domain, a service provider holding a security repository permitting to easily authenticate and authorize clients with credentials
 Application domain, the kinds of purposes for which users use a software system
 Broadcast domain, in computer networking, a group of special purpose addresses to receive network announcements
 Clock domain crossing, when a signal crosses from one clock domain into another
 CLR application domain, a mechanism for separating executed applications (similar to a process)
 Collision domain, a physical network segment that is a shared medium where data packets can "collide" with one another
 Data domain, in database theory, a set of all permitted values
 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 that field
 Domain analysis, the process of analyzing related software systems in a domain to find their common and variable parts
 Domaindriven design, an approach to the design of software
 Domain engineering, the reusing of domain knowledge in the production of new software
 Domain model, a conceptual model of a system that describes the various entities involved and their relationships
 Domain name, a common network name under which a collection of network devices are organized (e.g., example.com)
 Domain hack, a domain name that combines domain levels to spell out the full "name" or title of the domain
 Domain information groper a tool that queries DNS servers for any desired DNS records
 Domain name registrar, an organization that manages the reservation of Internet domain names in one or more domains
 Domain name registry, a database of all domain names registered in a toplevel domain
 Domain Name System (DNS), an hierarchical naming system for computers or any resource connected to the Internet
 Domain privacy, a service that replaces the user's information in the WHOIS directory with the information of a forwarding service
 Secondlevel domain, a domain that is directly below a toplevel domain
 Toplevel domain one of the domains at the highest level in the hierarchical Domain Name System of the Internet
 Domainspecific language, a programming language or specification language dedicated to a particular problem domain
 Domainspecific modeling, a software engineering methodology that uses a graphical domainspecific language
 Domain/OS, a workstation operating system
 Full Domain Hash, an RSAbased signature scheme that follows the hashandsign paradigm
 Windows domain, collection of security principals (all objects Active Directory)
 Domain controller a server that responds to security authentication requests within the Windows Server domain
 Backup Domain Controller, a Windows NT 4 server that has a backup copy of the user accounts database
 Primary Domain Controller, a preWindows 2000 NT server with the master copy of the user accounts database
Mathematics
 Domain (ring theory), a nontrivial ring without left or right zero divisors
 Integral domain, a nontrivial commutative ring without zero divisors
 Principal ideal domain, an integral domain in which every ideal is principal
 Unique factorization domain, an integral domain in which every nonzero element can be written as a product of irreducible elements in essentially a unique way
 Atomic domain, an integral domain in which every nonzero nonunit is a finite product of irreducible elements
 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 nonzero elements have a greatest common divisor
 Bézout domain, an integral domain in which the sum of two principal ideals is again a principal ideal
 Domain (mathematical analysis), an open connected set
 Domain coloring, a technique for visualizing functions of a complex variable
 Domain decomposition methods, solve a boundary value problem by splitting it into smaller problems on subdomains
 Domain of a function, also called the source, the set of input values for which the function is defined
 Domain of discourse, an analytic tool that indicates the relevant set of entities that are being dealt with by quantifiers
 Domain relational calculus, a calculus that was introduced as a declarative database query language for the relational data model
 Domain theory, a branch of mathematics that studies special kinds of partially ordered sets (posets) commonly called domains
 Frequency domain, a term used to describe the analysis of mathematical functions with respect to frequency, rather than time
 Fundamental domain, a symmetry group of an object is a part or pattern, as small or irredundant as possible, which determines the whole object based on the symmetry
 Invariance of domain, a theorem in topology about homeomorphic subsets of Euclidean space
 Time domain, a term used to describe the analysis of mathematical functions with respect to time
Places
 The Domain (Austin), a shopping mall in Austin, Texas, USA
 "The Domain", the official term for the campus of Sewanee: The University of the South
 In several Commonwealth of Nations countries, the name for parkland made available for public use by the 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
 Queens Domain in Hobart, Australia
 Auckland Domain: a large innercity park in Auckland, New Zealand
Music
 Domain (album), the debut album by the British metal band Above All
 Domain (band), a German heavy metal band
 Private Domain, an American pop/rock band formed in 1985
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