This is a sample page. It is different from lying posts because it will remain in the same place and will appear in the navigation menu (in most theme). Most start with an About page that introduces them to potential visitors. It can say something about as follows:
Hey there! I'm a bike courier by day, aspiring actor at night, and this is my blog. I live in Oslo, have a big dog named Kim Roger, and I like Piña colada. (And to write weird comments to online news.)
... or something like this:
The company XYZ was founded in 1971 and has been delivered quality gadgets ever since. Located in Kristiansund, and employs over 2000 people who do all sorts of good things for society.
As a new WordPress user, you should go to your control panel to delete this page and create a new page with your content. Have fun!