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6. Links and Webs > Relationships

Relationships

Very few documents stand alone. Instead, a document is usually part of a collection of documents, each connected by one or several of the hypertext strands we describe in this chapter. One document may be a part of several collections, linking to some documents and being linked to by others. Readers move between the document families as they follow the links that interest them.

When you link two documents, you establish an explicit relationship between them. Conscientious authors use the rel attribute of the <a> tag to indicate the nature of the link. In addition, two other tags may be used within a document to further clarify the location of a document within a document family and its relationship to the other documents in that family. These tags, <base> and <link>, are placed within the body of the <head> tag. [<head>]


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