This is an example of a page. It’s different from an article because it stays in one place and appears in your site’s navigation (for most themes). Typically, you’ll start with an “About Me”/”About Us” page that introduces your site to visitors. It could be something like this:
Hi! I do deliveries during the day, but study to be an actor at night. This is my website. I live in Lisbon, I have a dog named Belarmino and I like caipirinhas (and watching the grass grow).
…or something like this:
Gambozinos XPTO was founded in 1971 and has been providing the highest quality gambuzinos to its customers ever since. Located in Gotham, Gambozinos XPTO employs over 2,000 people and is a pillar of the community.
As a new WordPress user, you should go to your dashboard to delete this page and create new pages of your own content. Have fun!