This document discusses content management systems (CMS) and how they allow non-technical users to create and manage websites without coding knowledge. It focuses on WordPress as a popular open-source CMS, noting its ease of use, large library of free themes and plugins, and ability to build blogs, small business sites, and e-commerce stores. The document lists some major companies that use WordPress and provides an overview of topics covered in a WordPress training, such as domain registration, hosting, site development, e-commerce setup, SEO, freelancing, AdSense, and affiliate marketing.