This is an example page. It’s different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an “About” page that introduces them to potential site visitors. It might say something like this:

Hello! I’m a mechanic who aspires to become an actor, and here is my website. I live in Bordeaux, I have a great dog named Russell, and I love vodka (as well as being caught by sudden rain during long walks on the beach at sunset).

…or something like this:

The company 123 Machin Truc was founded in 1971 and has continued to offer the public quality whatchamacallits ever since. Located in Saint-Remy-en-Bouzemont-Saint-Genest-et-Isson, 123 Machin Truc employs 2,000 people and manufactures all kinds of great gadgets for the Bouzemont community.

As a new WordPress user, you should go to your dashboard to delete this page and create new pages for your content. Have fun!