What is in the Opportunity Page Descriptions Pop-up?

The Page Description Pop-up contains the box to input the preview Card description for the Opportunity as well as the Quill Editor to customize the look of the Opportunity Public Page.  The card description box only allows for input of text with a max of 500 characters. Whereas the Page Description section allows for customized text, as well as images, videos, buttons, and links.   

2-27 page description pop up