Description language may refer generally a kind of language which is used to describe an interface to another. In computer terms, a description language may be confused with or less formally referred to by other terms such as API, interface language, specification language, or middleware. API may refer to: In computing, application programming interface In petroleum industry, American Petroleum Institute In education, Academic Performance Index This page concerning a three-letter acronym or abbreviation is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... A specification language is a formal language used in computer science. ... In computing, middleware consists of software agents acting as an intermediary between different application components. ...

• User interface markup language - XML, XAML, LZX. (See also Web interface languages)
• Interface description language aka interface definition language (IDL)
  • Regular Language description for XML (RELAX)
  • Web services description language (WSDL)
  • Page description language (PDL)
• Binary Format Description language - extension of XSIL
• Hardware description language - for circuits
  • VHSIC hardware description language - for Field-programmable gate arrays, and logic circuits
• Job Submission Description Language
• Architecture Description Language
• Specification and Description Language - a specification language
• Character Description Language - for CJK fonts
• IDL specification language
• A Descriptive Vocabulary of the Language of the Aborigines

See also DDL and SDL. An user interface markup language is a markup language (often XML) used to define user interfaces. ... The Extensible Markup Language (XML) is a W3C-recommended general-purpose markup language for creating special-purpose markup languages, capable of describing many different kinds of data. ... XAML (short for Extensible Application Markup Language, and pronounced Zammel) is the user interface markup language for the Windows Presentation Foundation, which is one of the pillars of the WinFX API. XAML is a declarative XML-based language optimized for describing graphically rich visual user interfaces, such as those created... OpenLaszlo is an open source platform for the development and delivery of web applications with a usable human interface (sometimes called Rich Internet Applications) on the World Wide Web. ... An interface description language, (alternatively interface definition language) (IDL), is a computer language or simple syntax for describing the interface of a software component. ... REgular LAnguage description for XML (RELAX) is a specification for describing XML-based languages. ... The Web Services Description Language (WSDL) is an XML format published for describing Web services. ... A page description language is a language that describes the contents of a printed page in a higher level than an actual output bitmap. ... The Binary Format Description language is an XSIL-based (adding two Elements and several attributes, the latter enabling the description of additional file constructs and referencing files by their stream numbers, rather than by their public URLs) language, the application of a template of which to a set of files... XSIL is an XML-based transport language for scientific data, supporting the inclusion of both in-file data and metadata. ... In electronics, a hardware description language or HDL is any language from a class of computer languages for formal description of electronic circuits. ... VHDL or VHSIC Hardware Description Language, is commonly used as a design-entry language for field-programmable gate arrays and application-specific integrated circuits in electronic design automation of digital circuits. ... An Altera FPGA with 20,000 cells. ... A logic gate is an arrangement of electronically-controlled switches used to calculate operations in Boolean algebra. ... Architecture Description Languages (ADLs) are used to describe software architectures. ... SDL (short for Specification and Description Language) is a specification language targeted at the unambiguous specification and description of the behaviour of reactive and distributed systems. ... A specification language is a formal language used in computer science. ... Character Description Language is a font technology, created by the Wenlin Institute, designed for describing any CJK character, but suitable for describing any glyph. ... CJK is a collective term for Chinese, Japanese, and Korean, which comprise the main East Asian languages. ... IDL (short for Interface Description Language) is a software interface specification language created by Lamb, Wulf and Nestor at Queens University. ... A Descriptive Vocabulary of the Language in Common Use Amongst the Aborigines of Western Australia is a book by George Fletcher Moore. ... ... SDL may refer to: Simple DirectMedia Layer, a cross-platform multimedia library. ...