WordPress provide great features to user for their websites to get updated with latest version and updates related to theme and plugins which user choose for their website.
Before creating any theme in wordpress, you have to understand wordpress file and directory structure that how it will store them and used in building a web pages in our website.
Theme creation in wordpress is very easy and simple process. You can create theme from scratch or download any theme template from wordpress theme template provider sites.
WordPress has been 2003 and best and popular blogging software now a days. Over a last few years, WordPress become most popular CMS for non-blogging websites.
Wordpress is a Content Management System(CMS) or you can say software. Worpress is free and Open Source application based on PHP and MySQL, it is used for create website or app.