This is an example of page. It's different from an article because it stays in the same place and appears in your site's navigation (in most themes). It usually starts with an “About Me”/”About Us” page that introduces visitors to the site. It could be anything like this:
Hi! I deliver during the day, but study to be an actor at night. This is my website. I live in Lisbon, I have a dog called Belarmino and I like caipirinhas (and watching the grass grow).
…or something like this:
Gambozinos XPTO was founded in 1971 and has since provided customers with the highest quality Gambozinos. Located in Gotham, Gambozinos XPTO employs over 2 people and is a pillar of the community.
As a new WordPress user, you should go to your panel to delete this page and create new pages of your own content. Have a good time!