This is a sample page. It is different from a blog post because it will stay in one place and appear in the site navigation (in most themes). Most people start with an information page that introduces them to potential site visitors. He might say something like this:
Hello everyone! I am a bike messenger by day, aspiring actor by night, and this is my website. I live in Los Angeles, I have a great dog named Jack, and I like piña coladas. (And to get caught in the rain).
…or something like that:
XYZ Doohickey Company was founded in 1971 and has been providing quality doohickey to the public ever since. Located in Gotham City, XYZ employs more than 2,000 people and does a lot of great 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!