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In HTML terms, a 'tag' is used for marking-up text in various ways so that it is formatted in a Web document.

Tag Cloud

Is a visual representation of the content tags for a website, blog or community. Font size is used to indicate the relative use of the tag - with larger fonts used for the most popular tags.


A method to identify, rank, and share information. This then allows others to locate information based on how an individual or group has tagged and ranked information.
Tagging is also referred to as folksonomies, collaborative tagging, social classification, social bookmarking, social indexing, and social tagging.


In computer programming, a task is a basic unit of programming that an operating system controls.


In the graphical user interface  for a computer operating system or application, a taskbar is a visual device on the desktop that typically shows the user which applications (tasks) are currently active and running.


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.


A popular blog search engine that uses tagging.


Thumbnail is a term used by graphic designers and photographers for a small image representation of a larger image, usually intended to make it easier and faster to look at or manage a group of larger images.


Tagged Image File Format
A graphic file format for PC and Macintosh (.tif). It is compatible with most image-editing software.

Title Tag

An HTML meta tag with text describing a specific Web page. The title tag should contain strategic keywords for the page, since many search engines pay special attention to the title text when indexing pages. The title tag should also make sense to humans, since it is usually the text link to the page displayed in search engine results.


In the graphical user interface  for a computer, a toolbar is a horizontal row or vertical column of selectable image "buttons" that give the user a constantly visible reminder of and an easy way to select certain desktop or other application functions, such as saving or printing a document or moving pages forwards or backwards within a Web browser.

Torrent Sites

Tools and services that allow you to share and download software and content from other consumers.

Touch Pad

A touch pad is a device for pointing (controlling input positioning) on a computer display screen. It is an alternative to the mouse.

Touch Screen

A touch screen is a computer display screen that is sensitive to human touch, allowing a user to interact with the computer by touching pictures or words on the screen.


A system used for a blog to automatically recognize when another blog links to an article, usually creating a list of 'trackback' links at the bottom of the article.


The amount of visitors and visits received by a website.


A transmitter is an electronic device which with the aid of an antenna propagates an electromagnetic signal such as radio, television, or other telecommunications.

Trojan Horse

Computer program hidden in another computer program with the purpose of  destroying software or collecting information about the use of the computer.


Record stream capture videos from TV.com.


Twitter is a micro-blogging service that allows people to type in short messages or status updates that can be read by people following them. An individual message or status update is often referred to as a 'tweet'.