How does the public discourse relate to intercultural theories, practices, or methods?

for intercultural communication theories, practices, and methods. The purpose is to justify and synthesize intercultural phenomenon to real life. Public discourse as define by the instructor is anything that is google-able. Meaning that, public discourse can be pop culture related (music, film, book, etc.), space related (buildings, companies, etc.), nonverbal related (clothing, styles, gestures, etc.), and much more. Public discourse, however, does NOT invade privacy rules or ethics. Meaning that, if the general public cannot view or see the information, then the object does not qualify as public discourse.
As an example (of which this example cannot be reused), imagine analyzing Kylie Jenners Instagram post for intercultural theories, practices, and methods. Since her Instagram page can be viewed by the general public, her profile is within the means of public discourse. From the post, some intercultural themes that can be analyzed would be capitalism, culture appropriation, and gendered roles. Furthermore, a suggested list of public discourse can be found in the Midterm Folder.

Prompt: How does the public discourse relate to intercultural theories, practices, or methods? What specific intercultural communication phenomenon does the public discourse relate to? What relationship is shared between the public discourse and intercultural communication? What ways will you prove that the public discourse is connected to intercultural communication? What resources were used in order to build the connection between public discourse and intercultural communication?