IT Career Glossary

Glossary of key IT terms and acronyms used on this site.
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Term Definition
Work breakdown structure
A work breakdown structure (WBS), in project management and systems engineering, is an oriented dissection of a project into smaller deliverable components. It defines and groups a project's individual work elements in a way that helps organize and define the total work scope of the project.
WLAN is short for Wireless Local Area Network. Also known as WiFi, this is the linking of computers without wires. It is most commonly used for internet access, either in public hotspots or in private home and office networks. Connectivity is limited to between 10 and 200 meters depending on physical infrastructure.
Short for 'Web-based Seminar,' a webinar is a presentation, lecture, workshop or seminar transmitted over the Internet. Modern webinar software has very modest connection requirements so almost anybody with a computer and an internet connection can join and participate.
web browsers
A web browser is a program used to view, download, upload, surf or otherwise access documents (or pages) on the World Wide Web. Examples of popular web browsers include Internet Explorer, Mozilla Firefox, Opera, Safari and Google Chrome.
Web 2.0
Web 2.0 is a loosely defined intersection of website characteristics, including increased user participation, user-centered design, peer-to-peer collaboration, dynamic user-driven content and a rich online experience. As the Web 2.0 movement continues to grow, organizations are rapidly hiring talented programmers to increase their presence on the top Web 2.0 sites - and incorporate Web 2.0 elements into existing sites - to gain a competitive advantage in this fast growing and highly active population. Common Web 2.0 site structures and examples include social networks (Facebook), blogs (Mashable), wikis (Wikipedia), video sharing sites (YouTube) and social bookmarking hubs (Digg).
A WAN (or wide area network) is a network of computers within a very large area, such as an entire state or country.