What comes to mind when you think about nonverbal communication? Is it as subtle as the look in your partner’s eyes when you’ve said something funny? Is it as dramatic as an image from a movie that sticks in your memory?

(Left to right) JoJo Whilden/©Paramount Pictures/Everett Collection; Paramount Pictures/Photofest; Screen Gems/Photofest; Claudette Barius/©Warner Bros/Everett Collection