Href

a href
The href attribute specifies the destination of a link.

Attribute Values
There are 3 types of URl:
 * An absolute URL - points to another web site (like href="http://www.example.com/default.htm")
 * A relative URL - points to a file within a web site (like href="default.htm")
 * An anchor URL - points to an anchor within a page (like href="#top")