World Wide Web
The World Wide Web (better known by its acronym, WWW, or, alternatively spelled, www; also known as the Web; hereinafter, the Web) is the part of the Internet that contains inter-linked hypertext documents, especially web pages, and web applications. The web resources are identified by Uniform Resource Locators (URLs) and accessible via the web browsers. The other parts of the Internet include electronic mail, VoIP telephony, and file exchange.