This is an example page. It differs from a blog post because it remains in a fixed location and appears in your site navigation (in most themes). Most users start with an 'About' page that introduces them to site visitors. It might look something like this:
Hello! I am a mechanic aspiring to become an actor, and this is my website. I reside in Bordeaux, I have an excellent dog named Russell, and I enjoy vodka (as well as being caught in sudden rain during long walks on the beach at sunset).
...or something like this:
The 123 Machin Truc company was established in 1971 and has provided quality widgets to the public ever since. Located in Saint-Remy-en-Bouzemont-Saint-Genest-et-Isson, 123 Machin Truc employs 2,000 people and manufactures various high-quality gadgets for the Bouzemont community.
As a new WordPress user, you should go to your dashboard to delete this page and create new pages for your content. Enjoy!