What is the use of Jumbotron in Bootstrap?

What is the use of Jumbotron in Bootstrap?

A jumbotron indicates a big box for calling extra attention to some special content or information. A jumbotron is displayed as a grey box with rounded corners. It also enlarges the font sizes of the text inside it. Tip: Inside a jumbotron you can put nearly any valid HTML, including other Bootstrap elements/classes.