Use the Link element to define a relationship between the current document and another file.
Href Is the URL of the file for which you are defining a relationship. Click the folder icon to browse to and select a file, or type a path in the text field.
ID Specifies a unique identifier for the link.
Title Describes the relationship. This attribute has special relevance for linked style sheets; for more information, see the HTML 4.0 specification on the World Wide Web Consortium Web site.
Rel Specifies the relationship between the current document and the document in the Href field. Possible values include Alternate, Stylesheet, Start, Next, Prev, Contents, Index, Glossary, Copyright, Chapter, Section, Subsection, Appendix, Help, and Bookmark. To specify more than one relationship, separate values with a space.
Rev Specifies a reverse relationship (the opposite of Rel) between the current document and the document in the Href field. Possible values are the same as those for Rel.