This is an example page. It's different from a blog post in that it stays in one place and shows up 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:
Hello there! I am a bicycle courier in everyday life and a novice actor in the evenings. I live in Los Angeles, have a nice dog named Jack, and I like piña coladas. (And being caught in the rain.)
... or something like this:
The XYZ Doohickey Company was founded in 1971 and has since delivered high-quality doohickeys to the public. Based in Gotham City, XYZ employs more than 2000 people and all do fantastic things for the Gotham community.
As a new WordPress user you can go to your dashboard to delete this page and add new pages for your content. Lots of fun!