This is an example page. It is different from a blog post because it will remain in one place and will appear 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:
Hello! I am a bike messenger by day and an aspiring actor by night, and this is my website. I live in Los Angeles, have a wonderful dog named Jack, and I enjoy piña coladas. (And getting 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 contributes in many ways to 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. Enjoy!