Domain

Domain may refer to:

General

• Territory (administrative division), a non-sovereign 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 pre-selected 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
• Domain-driven 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 top-level 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
  • Second-level domain, a domain that is directly below a top-level domain
  • Top-level domain one of the domains at the highest level in the hierarchical Domain Name System of the Internet

• Domain-specific language, a programming language or specification language dedicated to a particular problem domain
• Domain-specific modeling, a software engineering methodology that uses a graphical domain-specific language
• Domain/OS, a workstation operating system
• Full Domain Hash, an RSA-based signature scheme that follows the hash-and-sign 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 pre-Windows 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 non-trivial 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 non-zero element can be written as a product of irreducible elements in essentially a unique way
  • Atomic domain, an integral domain in which every non-zero non-unit 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 non-zero 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 inner-city 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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