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The <html> Tag
The <html> tag delimits the beginning and the end of an HTML document. Given that <html> is the common ancestor of an HTML document it is often called the root element, as it is the root of an inverted tree structure containing the tags and content of a document. The <html> tag, however, directly contains only the <head> tag, the <body> tag, and potentially the <frameset> tag instead of the <body> tag. The HTML document template, shown earlier in the chapter, shows the <html> tag's typical use in a document, as a container for all other elements.
