This is an example page. It’s different from a blog post because it will stay in one place and appear in your site’s navigation (in most themes). Most people start with an “About” page that introduces them to people visiting the site. It could look something like this:
Hello ! I’m a mechanic aspiring to be an actor, and here’s my site. I live in Bordeaux, I have a super dog named Russell, and I love vodka (as well as being surprised by sudden rain during long walks on the beach at sunset).
…or something like this:
The company 123 Machin Truc was created in 1971, and has not stopped offering the public quality thingy-things since then. 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 !