A host is a special computer in the internet called a server where website files or other date is stored, so that it can be accessed over the internet. When you buy a hosting service you rent a space in a server where the website’s files can be accessed from anywhere. It’s similar to the space on a computer’s hard drive,
Web hosting is a service that allows to post a website or web page on to the Internet. A web host, or web hosting service provider, is a business that provides the technologies and services needed for the website or webpage to be viewed in the Internet.
A domain name, is like a street address for a house or business. Domain names function on the Internet in a manner similar to a physical address in the physical world. Each part of the domain name provides specific information. These pieces of information enable web browsers to locate the web page.
A website is the key to doing business around the world. But without a memorable web address - a.k.a. domain name - customers may have a hard time finding you or remembering how to get back to your site.