This is a sample page. It differs from a blog post in that it remains in the same place 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:

Hi there! I’m a bike messenger by day, an aspiring actor by night and this is my blog. I live in Örebro, have a cat called Lurv and I like Pina Coladas. (and swimming in the Göta Canal).

… or something like that:

The company AB was founded in 1971 and since then has been the largest supplier of grunk manicures on the Swedish market. FAB is located on the outskirts of Grönköping, employs over 20,000 people and reads the weekly newspaper 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!