This is a sample page, It's different from a blog post because it will stay and displayed on the navigation bar (in most subjects). Almost everyone starts with an About Me page to present to potential visitors. It could be something:

Hello!: I am a messenger for the day, aspiring actor by night and this is my web. I live in madrid, I have great dog named John and I love the pina coladas (and I caught a downpour)

… or something like that:

Socks XYZ Company was founded in 1971, and it has been producing quality socks for their clients since. Ubicada en Gothan, XYZ company has more than 2.000 employees and tries to help his best to improve life in Gothan

If you're new to WordPress you should go your desk to delete this page and create new ones with your content. Enjoy yourselves!