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:

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 piña coladas. (And gettin' caught in the rain.)

...or something like this:

The Dailyhealthymood Company was founded in 1999, and has been providing quality healthcontent and keywords to the public ever since. Located in Newyork city, DHM employs over 2,000 people and does all kinds of awesome things for the NewYork 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!