This is an example page. It’s different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:

Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Nulla facilisi. Sed magna purus, fermentum eu, tincidunt eu, varius ut, felis. Phasellus nec sem in justo pellentesque facilisis. Aliquam eu nunc.
Etiam rhoncus. Nullam cursus lacinia erat. Curabitur vestibulum aliquam leo. Maecenas nec odio et ante tincidunt tempus. Sed aliquam ultrices mauris.
Praesent congue erat at massa. Curabitur nisi. Nunc nonummy metus. Fusce fermentum odio nec arcu. Mauris turpis nunc, blandit et, volutpat molestie, porta ut, ligula.
Hi there! I’m a bike messenger by day, aspiring actor by night, and this is my website. I live in Los Angeles, have a great dog named Jack, and I like piƱa coladas. (And gettin’ caught in the rain.)
…or something like this:
The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community.
As a new WordPress user, you should go to your dashboard to delete this page and create new pages for your content. Have fun!