The Exploding Aardvark pointed me to this handy guide for the perplexed about the Web Publishing Process on the Internet:

With a little help from the Industrial Art Gallery, I was able to “explode” a portion of this diagram for further detail. Below you can see some of the working parts of that mysterious “internet” lozenge above. This is for power users and hardcore geeks only; others shouldn’t worry. You’re welcome!