WordPress

Overview

Taken From Wikipedia

"WordPress is a factory that makes webpages" is a core analogy designed to clarify the functions of WordPress: it stores content and enables a user to create and publish webpages, requiring nothing beyond a domain and a hosting service.

WordPress has a web template system using a template processor. Its architecture is a front controller, routing all requests for non-static URIs to a single PHP file which parses the URI and identifies the target page. This allows support for more human-readable permalinks.

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If you're watching videos on a particular CMS and the video is over 2 or 3 years old then it is possibly obsolete. That is how fast the most popular CMS's like Wordpress and Joomla are changing. I search for the most current ones that deal with either Wordpress or Joomla and will add them here or link to them.