It means it will help you to show your important information with your new and upcoming friends. Those who wants to add you on Facebook they will see this information. Through that, they can recognize who you are and what you are.
When your followers or new coming Facebook user visits your profile they will get that information in front of them. This is an amazing feature that Facebook has introduced.
Take a look at the picture, there you can see the intro and featured photo section. That is a just awesome feature that Facebook has added.
There you can add limited characters (100+) and limited featured photos (5). That information will be displayed to the new users and old users.