According to Wikipedia, a web hosting service lets people create their own website on the World Wide Web. Web hosts supply server space for subscribers to connect to via the Internet. If you are planning to build a website using a web hosting service there are a few terms with which you should be familiar.
Apache is the most popular web server software that lets the server communicate with users.
A backup makes copies of the website files and other important components to allow for a quick recovery should any data ever be lost.
Bandwidth is the amount of data that you are allowed to use each month from a web host.
The web-based system that lets a user easily control their web hosting account. This is where email accounts, apache setting and adding databases can be accessed.
Equipment colocation lets the user put their own equipment in the data center, renting out space, bandwidth, and power among other things without renting the actual server.
Dedicated hosting allows for a server to be dedicated solely for the subscriber’s use. Only one customer uses a dedicated server.
There are several more terms that you will need to be familiar with when you decide to host a website on the Internet.