Once you sign up with a hosting company, you usually get an administration panel that allows you to do a lot of things easily.
In the case of the video example you’re about to see, it’s called “CPanel”, and it’s from a company called “Bluehost”, although there are lost of other hosting companies that use CPanel as well.
You can easily set up your email, set FTP for uploading files, turn on stats tracking to see how many people come to your website, and even install scripts like blog software, discussion forum software, and more just by clicking a few buttons.
Here’s video overview help of how to understand CPanel, it should help you