WordPress is an open source project, which means it is free for use on any website from a small personal blog to a large, professional website.It was originally start as just a blogging system, WordPress has evolved to be used as full content management system and so much more through thousands of plugins, widgets, and themes.
WordPress is designed to be installed on your own web server which gives you complete control over the blog or website. WordPress provides a web-based user interface for designing, publishing, and updating websites. Instead of writing HTML, you can simply choose one of many different website templates or “themes” that has a design you like.
“Its ease of use and unique blogging features have helped it become the most popular blogging tool on the web.”