<a href="http://example.com" >Link text</a>
<a href="#"><!-- The "#" to be replaced with filename or website address -->Go Somewhere</a>
<a href="link">text</a>
<a href = 'website.com/your/linked/page'>Text in link</a>
Actually href is a html attribute, which is used for passing page url to the a tag. Example <a href="url">Click here</a>
The href attribute specifies the URL of the page the link goes to
