Rich text refers to text that contains various formatting elements such as bold, italic, underline, color, and font size. It is used to enhance the visual appeal of the text and make it more readable. Some of the synonyms for rich text include formatted text, stylized text, enhanced text, decorative text, and formatted document. Other terms that can be used to describe rich text include complex text, media-rich text, embellished text, and graphic text. In today's digital age, rich text is commonly used in emails, social media posts, blogs, and online content. Its main benefit is that it allows the author to convey their message more effectively by providing context, emphasis, and organization to the text.