This document discusses meta-communication, which it defines as communication that provides clues about how verbal messages should be interpreted based on surrounding stimuli, which may support or contradict the verbal communication. It explains that meta-communication signals how a message should be decoded and that the same verbal message with different meta-communication can mean something entirely different. It also notes that kinesic and paralinguistic elements of communication provide meta-communication clues about whether a statement is serious or joking. Finally, it states that mastering meta-communication is extremely important for human communication and a lack of ability to understand it can lead to interpersonal difficulties.