This is a sample 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 go something like this:
Hi there! I’m a mechanic who aspires to be an actor, and this is my site. I live in Montreal, have a great dog named Fido, and I like lemon rum (and getting caught in sudden rain during long forest walks at sunset).
…or something like this:
The 123 Widget Company was founded in 1971, and has been providing quality widgets to the public ever since. Located in Widgetville, 123 Widget Company employs 2,000 people and makes all sorts of awesome things for the Widgetville 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!