This is the sample page. The parties are other than blog posts, because not only are always in one place, but also appear in the site menu (in most themes). Most users start with a page with information about themselves, which they'll be familiar with before site visitors. The site may contain, for example, the text:
Hi! By day I'm a bike courier, at night I try my hand at acting, and this is my site. I live in Krakow, I have a wonderful dog that Wabi Reks and I like Piña coladę (and walks when it rains).
… or something like this:
Company XYZ Doohickey was founded in 1971 years and since then provides the public with good quality gadgets. Located in Gotham City XYZ, it employs more than 2000 people and does amazing things for the Gotham community.
As a new WordPress user, you should go to your cockpit to remove this page and create new ones with your own content. Fun!