WEBSITE HOSTING

A webpage is a lot like a document on your computer. The major difference being you want this document to be seen by anyone, from anywhere, at anytime.
To accomplish this, the document must be uploaded onto a special computer called a web server.

A web server is a very fast computer that's constantly on, and connected to the Internet by hardware much faster than in anyone's home. This way, when many people go to your website all at once, it will not slow down, or lag as your website's content downloads.
Because the cost of a web server (And the very high speed connections they require) are extremely expensive, space on the web servers are rented out to other clients. The act of providing this service is called hosting. More...