Which element in a presentation outline is represented by the notation, "Show visual aid #2 now"?

Presentation anxiety is natural. Therefore, you don't need to be

concerned about it. Indicate whether the statement is true or false

Camila communicates differently when she is hanging out with her roommates watching TV, visiting her grandmother in the hospital, and interacting with her coworkers at her job. This is communication principle:

  a.  1: Interpersonal messages are omnipresent.   b.  2: Interpersonal messages follow rules.   c.  3: Interpersonal messages contain both substance and nuance.   d.  4: Interpersonal messages permanently impact relationships.