This is an example page. It's different from a blog post because it will stay in the same place and appear in your site's navigation (in most themes). Most people start with an "About" page that introduces them to site visitors. It might look something like this:

Hello! I'm a mechanic who aspires to be an actor, and this is my website. I live in Montreal, have a great dog named Fido, and love rum and lemon (as well as being surprised by sudden rain on long walks in the woods at sunset).

…or something like this:

123 Patente Chose was founded in 1971 and has been providing the public with quality gadgets ever since. Located in Saint-Glinglin-des-Meumeu, 123 Patente Chose employs 2,000 people and manufactures all sorts of interesting items for the Glinglin community.

As a new WordPress user, you should check out your dashboard to delete this page and create new pages for your content. Have fun!