Here is a sample page. It differs from a blog post, by remaining in the same place, and will appear in the navigation menu on your web site (depending on your theme). Most people start by writing an “About” page, presenting themselves to potential web site visitors. You could write something like this:
Hello! I’m a mechanic, aspiring actor, and this is my blog. I live in Bordeaux, I have a great dog named Russell, and I love vodka-pineapple (as well as watching the rain fall).
…or something like that:
A company 123 Something was established in 1971, and since then is continually providing a thing-stuff to the public. Located in Saint-Remy-en-Bouzemont-Saint-Genest-et-Isson, 123 Something employs 2,000 people, and manufactures all kinds of great stuff for the Bouzemont community.
Being a new WordPress user, please go to your dashboard and delete this page, and create new pages with your own content. Have fun!