Short for XML Linking Language, a computer language that allows both unidirectional and bidirectional links to other resources (e.g., files, images, documents, programs, query results) to be embedded in XML documents, similar to the hyperlinks found in HTML Web pages.
XLink gives XML documents the ability to:
assert linking relationships among two or more resources
express links that are in a location separate from the linked resources.
XLink Version 1.0 This W3C specification defines the XML Linking Language, which allows elements to be inserted into XML documents in order to create and describe links between resources.