CPanel is a fully featured web-based control panel that allows you to manage your domain through a web interface. The idea is to transfer as much of the control and responsibility of managing your web site to you. You have the ability to manage all aspects of e-mail, files, backup, FTP, CGI scripts, and web site statistics.

Web Hosting service use the term bandwidth it is typical that they too mean traffic sent over their network, however the interval is over the course of one month. Your web host may offer 150GB of bandwidth for your hosting account - meaning that over one month or billing cycle, you can push 150 gigabytes of information over their network/through your web site and be within your accounts limits.