This is an example page. It is different from a blog post because it remains static and will show up in the navigation bar (in most themes). Almost everyone starts with an About Me page to introduce themselves to potential visitors. It could be something like this:

Hello !: I am a messenger by day, an aspiring actor by night and this is my website. I live in Madrid, I have a great dog named Juan and I love piña coladas (and being caught in a shower)

… or something like that:

XYZ Socks Company was founded in 1971, and has been producing quality socks for its customers ever since. Located in Gothan, XYZ Company has more than 2,000 employees and tries to help in whatever way it can to improve life in Gothan

If you are new to WordPress you should go to your desk to delete this page and create new ones with your content. Have a good time!