What content box is?

Content box is part of the website that displays the specified information. Such information can be text, image, menu, selected media (eg, slideshow, gallery images), and finally elements from other online services such as Google, Facebook, etc.

As a website manager, you can decide what type of Content you want to display on your website. You can also decide at which point it will be displayed. 
Please read the description and functions of different types of content boxes and use them according to your need.