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One of the newest and most interesting Internet developments has been the World Wide Web. Before the Web, individual Internet computers had windowing systems and graphical capabilities, but network tools, like mail, FTP and TELNET, were still text-based. The Web changed that by introducing a graphical, point-and-click network interface. Now you can connect to a Web site, download a graphical page, use your mouse to click on an item of interest, and load another page.
The Web has two main components - the HTML language used to describe web pages, and the HTTP protocol used to transfer HTML across the net. Universal Resource Locators (URLs) are used by both HTML and HTTP to name pages.