This is a sample page. It's different than 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. It 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 Morelia, I have a dog named Firulais and I like mezcal. (And long afternoons with coffee)
…or something like that:
The company Mariscos Recio was founded by Antonio Recio Mata. It started as a small company that supplied seafood to hotels and restaurants, but little by little it has been transformed into a great empire. Recio seafood, the sea at the best price.
As a new WordPress user, you should go to your desk to delete this page and create new pages for your content. Have fun!