The document discusses the concept of impoliteness in communication, emphasizing that impoliteness strategies are designed to attack face and disrupt social equilibrium. It outlines developments in the study of linguistic impoliteness, categorizing it into three waves: classic politeness models, interactional approaches, and discursive approaches, highlighting the complexity of impoliteness based on context and speaker intent. Finally, it suggests that future research should integrate both politeness and impoliteness within interpersonal communication to better understand their dynamics.