WordPress is an open-source CMS system. CMS stands for Content Management System and ensures that you can easily adjust your texts and photos on the website without any programming knowledge. Open source means that the software can be used free of charge. WordPress is licensed under the GPL.
The CMS system was developed by Matthew Mullenweg. Today, the development involves an entire community.
WordPress uses PHP. This is a programming language. A database is also used.

By means of templates is to change the layout of pages. In addition, functions can be added to the website using plugins.