Definition of Domains Icons:
Assists you in creating subdomains (eg. forum.yourdomain.com).
Allows people to access one of your subdomains with another fully qualified domain name (EG. YOURFORUMDOMAIN.COM).
Allows you to point/park additional domains to your existing site/sites.
Allows you to make a specific site redirect to another page.
(For Advanced Clients) Allows you to add A Records and CNAME Records.
(For Advanced Clients) Allows you to add A Records, CNAME Records, and TXT Records.