The web is full of great resources to help you understand how to use and get the most out of WordPress. Some of those resources have been replicated here.

EasyWPGuide_Portfolios

Also check out these easy to follow videos

https://en.support.wordpress.com/video-quick-start/

You might want to understand more about how the web and its various languages work. Code Academy has some great resources that will help you understand what really powers the internet.

Code Academy