This is an example 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 to introduce themselves to potential site visitors. It might say something like this:
Hi there! I’m a mail carrier by day, aspiring artist by night, and this is my website. I live in the Western region, have a cute cat named Frozen, and I love woodworking and am interested in carvings and ornamentation (and interests that might appeal to you from here and there.)
…or something like this:
XYZ Company was founded in 1971, and has been providing quality products to the public ever since. Headquartered in London, XYZ Company employs over 2,000 people and does all sorts of awesome things for the 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!