This is an example page. It's different from a blog post because it will stay in one place and appear in the navigation menu (in most themes). Most start with an About page that introduces the site's features. It might say something like this:

Here I am! I'm a bike delivery guy by day, an inspired singer by night, and this is my website. I live in Santorini, I have a dog named Argos, and I love swimming in the sea.

…or something like this:

XPSO SA was founded in 1971, and has been providing services to the public since its inception. It is located in Gotham City, with 1,000 employees, and offers all of its amazing services to the city's community.

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