Wish you a very Happy Deepavali. May the delight, cheer, gaiety and joy of this awesome celebration encompass you until the end of time. May the satisfaction, which this Deepavali season brings keeps going forever.
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.
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.