This is a sample page. It differs from a blog post in that it remains in the same location and will appear in your site navigation (in most themes). Most start with an About page that introduces them to potential visitors. For example, it could have the following content:

Hey there! I'm a bike messenger by day, aspiring actor at night and this is my blog. I live in Örebro, have a cat named Lurv and I like Pina Coladas. (and to swim in the Göta Canal).

... or something like this:

The company AB was founded in 1971 and has since then been the largest supplier of grunk widgets on the Swedish market. FAB is located on the outskirts of Groköping, has more than 20,000 employees and reads the weekly newsletter every year.

As a new WordPress user, you should go to your admin panel to delete this page and create new pages for your content. Good luck!