P: paragraph text that is longer. The rich text element allows you to create and format headings, paragraphs, blockquotes, images, and video all in one place instead of having to add and format them individually. Just double-click and easily create content. This is a link example to check formatting on links.
If there are multiple paragraphs, there isn't a ton of room to let people visually gauge the separation between thoughts.
here's an example of a bolded line within a larger standard font section
padding: 16px 0px;