This is an example of a static page. You can edit it and enter, for example, information about yourself or your site so readers know where you are and what you are doing. You can have as many main pages (like this one) or sub-pages that are subordinate to the main pages in the Hierachiestruktur. You can change them all within WordPress and manage. As the proud owner of a new WordPress site, you should go the dashboard to the overview page, delete this page, and to get started to create their own content. Have fun!