What is the difference between yourname.com and www.yourname.com?
Yourdomain.com is the name of the domain itself, whereas
www.yourname.com is the website sub-domain. Typically www. is used for domains that will have a website on them.
When your domain is hosted by Htmlgraphic, visitors can reach your Website by typing either yourdomain.com or www.yourdomain.com. Both will direct visitors to the same website.