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HTML (HyperText Markup Language)

HTML is the predominant markup system used for web pages. It was originally intended to allow the application of styling and structure to what was once a text-only Web. Technically speaking, HTML (like its successors: XHTML, XML, and others) is not a true computer "language" as it lacks a means to incorporate decision structures. Despite this technicality, HTML, like all other markup systems and true computer languages, has its place and the World Wide Web as we now know it would be unable to function without it.

HTML markup consists of several components, including elements (and their attributes), character-based data types, and character & entity references.

HyperText markup also serves to link key parts of a document to other documents, thus forming a navigable system for which users can negotiate a site and its contents. These "hyperlinks" link not only documents within a site but may also link to other locations in external sites on other computer systems anywhere in the world. These hyperlinks, along with the hardware that make it possible, essentially form the basic backbone supporting the World Wide Web.