One is hypertext transfer protocol, or HTTP, which establishes specifications for linking documents.

其中之一就是超文本传输协议，即HTTP，为文件连接确定了标准。

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XML Linking Language (XLink) is a generic framework for expressing links in XML documents, to complete its placement in hypertext systems such as the Web.

XML 链接语言（XML Linking Language, XLink）是一种用来表示 XML 文档内链接的通用框架，以使其在诸如 Web 之类的超文本系统中的布局更加完整。

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Hypertext, which requires linking, is the foundation of the Web, and adding sophisticated linking abilities has always been expected to be a cornerstone of XML.

超文本作为 Web 的基础需要使用大量链接，而添加复杂链接功能一直以来被要求作为 XML 的基础。

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