The lines between advertising, marketing, and PR are constantly _________

When Nigel used a "thumbs up" gesture in his speech to indicate enthusiasm, he was surprised to see anger on a few faces in the audience. Later, he learned that this is considered a rude gesture in some countries. Nigel forgot about the _____ nature of nonverbal communication.

A. ambiguous B. culture bound C. continuous D. rule-governed

__________ are the movement of the hands and arms to communicate ideas during a presentation.

Fill in the blank(s) with the appropriate word(s).