Table 2.

Definitions and examples of message elements: media.

Media element	Definition	Example
Hyperlink	A long or short web URL	https://twitter.com/...
Hashtag	Any term preceded by a # symbol	#COVID-19 #WearAMask
Text-in-image	Image with additional text not included in the text part of the message	See examples below.
Illustration	Illustration in the image—at least beyond use of a table and colors
Photograph	Photograph of a person, object, or scene
Infographic	Image that conveys data or illustrated directives (overrides illustration)
Video	A video embedded in the message