How many steps until viewing around the world?

Question

Hello Sirs!

By cusiositry I would like to know in some words:

1. How can I organise my web files (all must to be in one repertory or many repertories). If yes which kind?(images, files and do one...???)
2. After to build the web pages then which step follow befor see it on the internet
3. Then when you put on the net. Which step to follow?