If your hosting package includes subdomains, which are additional third-level domain names, then you can use them to:
An example of using subdomains:
You have a website your-product.com dedicated to promoting and selling your product. For publishing information related to customer service and online order tracking, you can organize the subdomain “orders” so that your users will be able to access this information directly by visiting the Internet address “orders.your-product.com”.
As subdomains have the same status with the additional domains, you can use the same set of tools and services for working with subdomains. For example, SSL protection, Presence Builder, web statistics, and so on.
To set up a subdomain for a site division or a separate site:
The new subdomain name is now shown in the list at the bottom of the screen.
You can now upload your web content to the subdomains webspace (directory on the server), as described in the section Uploading Content over FTP.