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

Welcome! I’m a bartender by day, an aspiring actor by night, and this is my website. I live in Mairena del Alcor, I have a dog called Firulais and I like rebujito. (And long afternoons with coffee).

…or something like that:

The company “Mariscos Recio” was founded by Antonio Recio Mata. It started out as a small company supplying seafood to hotels and restaurants, but little by little it has grown into a huge empire. Seafood Recio, the sea at the best price.

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