Tag
In web terms: Notifications or commands written into a web document. (See HTML Tags)
TCP (Transmission Control Protocol)
See TCP/IP.
TCP/IP (Transmission Control Protocol / Internet Protocol)
A collection of Internet communication protocols between two computers. The TCP protocol is responsible for an error free connection between two computers, while the IP protocol is responsible for the data packets sent over the network.
Learn more about TCP/IP in our TCP/IP tutorial
UDDI (Universal Description Discovery and Integration)
A platform-independent framework for describing services, discovering businesses, and integrating business services using the Internet.
Learn more about UDDI in our WSDL tutorial
Unix
Computer operating system, developed by Bell Laboratories. Mostly used for servers and web servers.
UNZIP
To uncompress a ZIPPED file. See ZIP.
Upload
To transfer a file from a local computer to a remote computer. In web terms: to transfer a file from a web client to a web server. (see also Download).
URI (Uniform Resource Identifier)
Term used to identify resources on the internet. URL is one type of an URI.
URL (Uniform Resource Locator)
The standard way to address web documents (pages) on the Internet (like:
http://www.w3schools.com/)
USENET
A world wide news system accessible over the Internet. (See Newsgroups)
User Agent
The same as a Web Browser.
VB (Visual Basic)
See Visual Basic.
VBScript
A scripting language from Microsoft. VBScript is the default scripting language in ASP. Can also be used to program Internet Explorer.
Learn more about VBScript in our VBScript tutorial.
Virus
Same as Computer Virus.
Visit
In web terms: A visit to a web site. Commonly used to describe the activity for one visitor of a web site.
Visitor
In web terms: A visitor of a web site. Commonly used to describe a person visiting (viewing) a web site.
Visual Basic
A programming language from Microsoft.
VPN (Virtual Private Network)
A private network between two remote sites, over a secure encrypted virtual Internet connection (a tunnel).
VRML (Virtual Reality Modeling Language)
A programming language to allow 3D effects to be added to HTML documents.
W3C (World Wide Web Consortium)
The organization responsible for managing standards for the WWW.
Learn more about W3C in our W3C tutorial
WAN (Wide Area Network)
Computers connected together in a wide network, larger than a LAN, usually connected via phone lines. See also LAN.
WAP (Wireless Application Protocol)
A leading standard for information services on wireless terminals like digital mobile phones.
Learn more about WAP in our WAP tutorial
Web Applet
A program that can be downloaded over the web and run on the user's computer. Most often written in Java.
Web Client
A software program used to access web pages. Sometimes the same as a Web Browser, but often used as a broader term.
Web Browser
A software program used to display web pages.
Learn more about browsers in our Browser section
Web Document
A document formatted for distribution over the web. Most often a web document is formatted in a markup language like HTML or XML.
Web Error
See Web Server Error.
Web Form
See HTML Form.
Web Host
A web server that "hosts" web services like providing web site space to companies or individuals.
Web Hosting
The action of providing web host services.
Web Page
A document (normally an HTML file) designed to be distributed over the Web.
Web Robot
See Web Spider.
Web Server
A server is a computer that delivers services or information to other computers. In web terms: A server that delivers web content to web browsers.
Web Server Error
A message from a web server indicating an error. The most common web server error is "404 File Not Found".
Learn more about web server error messages in our HTML tutorial
Web Services
Software components and applications running on web servers. The server provides these services to other computers, browsers or individuals, using standard communication protocols.
Web Site
A collection of related web pages belonging to a company or an individual.
Web Spider
A computer program that searches the Internet for web pages. Common web spiders are the one used by search engines like Google and AltaVista to index the web. Web spiders are also called web robots or wanderers.
Web Wanderer
See Web Spider.
Wildcard
A character used to substitute any character(s). Most often used as an asterix (*) in search tools.
Windows 2000, Windows NT, Windows 95/98, Windows XP
Computer operating systems from Microsoft.
Windows Media
Audio and video formats for the Internet, developed by Microsoft. (See ASF, ASX, WMA and WMF).
Learn more about Windows Media in our Media tutorial
WINZIP
A computer program for compressing and decompressing files. See ZIP.
WMA
Audio file format for the Internet, developed by Microsoft. (See also WMV).
Learn more about media formats in our Media tutorial.
WMV
Video file format for the Internet, developed by Microsoft. (See also WMA).
Learn more about media formats in our Media tutorial
WML (Wireless Markup Language)
A standard for information services on wireless terminals like digital mobile phones, inherited from HTML, but based on XML, and much stricter than HTML.
Learn more about WML in our WAP tutorial
WML Script
Scripting language (programming language) for WML.
Learn more about WMLSript in our WMLScript tutorial
Worm
A computer virus that can make copies of itself and spread to other computers over the Internet.
WSDL (Web Services Description Language)
An XML-based language for describing Web services and how to access them.
Learn more about WSDL in our WSDL tutorial
WWW (World Wide Web)
A global network of computers using the internet to exchange web documents. (See also Internet)
WWW Server
The same as a Web Server.
WYSIWYG (What You See Is What You Get)
In Web terms: To display a web page being edited exactly the same way it will be displayed on the web.
XForms
A future version of HTML Forms, based on XML and XHTML. Differs from HTML forms by separating data definition and data display. Providing richer and more device independent user input.
Learn more about XForms in our XForms tutorial
XHTML (Extensible Hypertext Markup Language)
HTML reformulated as XML. XHTML is the latest version of HTML. Developed by W3C.
Learn more about XHTML in our XHTML tutorial
XPath
XPath is a set of syntax rules (language) for defining parts of an XML document. XPath is a major part of the W3C XSL standard.
Learn more about XPath in our XPath tutorial
XQuery
XQuery is a set of syntax rules (language) for extracting information from XML documents. XQuery builds on XPath. XQuery is developed by W3C.
Learn more about XQuery in our XQuery tutorial
XML (Extensible Markup Language)
A simplified version of SGML especially designed for web documents, developed by the W3C.
Learn more about XML in our XML tutorial
XML Document
A document written in XML.
XML DOM (XML Document Object Model)
A programming interface for XML documents developed by W3C.
Learn more about XML DOM in our XML DOM tutorial
XML Schema
A document that describes, in a formal way, the syntax elements and parameters of a web language. Designed by W3C to replace DTD.
Learn more about Schema in our XML Schema tutorial
XSD (XML Schema Definition)
The same as XML Schema.
XSL (Extensible Stylesheet Language)
A suite of XML languages developed by W3C, including XSLT, XSL-FO and XPath.
Learn more about XSL in our XSL tutorial
XSL-FO (XSL Formatting Objects)
An XML language for formatting XML documents. A part of XSL developed by W3C.
Learn more about XSL-FO in our XSL-FO tutorial
XSLT (XSL Transformations)
An XML language for transforming XML documents. A part of XSL developed by W3C.
Learn more about XSLT in our XSLT tutorial
ZIP
A compressing format for computer files. Commonly used for compressing files before downloading over the Internet. ZIP files can be compressed (ZIPPED) and decompressed (UNZIPPED) using a computer program like WINZIP.