This stands for anchor as you will find out later. Then you need to point the link to a 'place' to go when the link is clicked. This is done by the 'HREF' attribute. This is simple, and is all you need to know for the moment. Finding Files To link to a file you need to know where it is.
Every file has a URL, an address where it is stored.
An absolute link takes you to a specific address on the Internet. A relative link will take you to a location relative to the file you are currently at. It is easy to put one in your web site. Use your browser to navigate to the file you want to link to and copy the URL in the address bar. That's all you need to do.