Subdomains - Make organising your site easier | Web Hosting
Simplify your web addresses by creating subdomains.
Once you have created your website, you may want to use subdomains to create different web addresses for unique content areas on your site. For example, you could create a subdomain for www.forum.yourwebsite.com.
Make organising your site easier
Each subdomain is associated with a folder that contains the part of the website concerned.