The href attribute names the connection to an other web page. Actually is the place where it will be sent the user who clicks on the link.
Input
>a href="https://m.facebook.com">Click Here</a>
Output
Click Here
Image Links
<img src="Pic URL" alt="DESCRIPTION" />
Input
>a href="https://m.facebook.com">Click Here</a>
Output
Click Here
Image Links
<img src="Pic URL" alt="DESCRIPTION" />