Joomla has some smart people who work over there in their community and they understand that Joomla may attract newbies who have never used their program before but who have heard great things about Joomla and who are dedicated to giving it a try.

Joomla has therefore put together a quick start guide in which they walk you through building an actual web site just as if you were an experienced webmaster.

Check out Joomla's Quick Start Guide as it is very helpful.