World Wide Web Addressing: HTTP Uniform Resource Locators
The main reason that hypertext is so powerful and useful is that it allows related documents to be linked together. In the case of the Web, this is done using a special set of HTML tags that specifies in one document the name of another document that is related in some important way. A user can move from one document to the next using a simple mouse click. The Web has succeeded largely on the basis of this simple and elegant method of referral.
The notion of hyperlinking has some important implications on how Web documents and other resources are addressed. Even though the Web is at its heart a message transfer protocol similar to FTP, the need to be able to define hyperlinks meant that ...
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