This is an example page. It differs from a blog post in that it will stay in one place and will show up in your site's navigation (in most themes). Many people start with an About page that introduces them to potential site visitors. They might write something like this:
Greetings! By day, I work as a bike courier, and in the evenings, I'm involved with amateur theatre. These are my own personal pages. I live in Parainen and have a wonderful dog named Jaakko. I enjoy piña coladas and the sound of rain drumming on a tin roof.
…or something like that:
Hilavitkuttimet Oy was founded in 1971 and has been producing high-quality contraptions for its customers ever since. Hilavitkuttimet Oy, which employs over 200 people, is located in Salo and organises all sorts of events for the enjoyment of the local community.
As a new WordPress user, you should go control panel to remove this page and create new pages for your content. Have fun!