This document discusses how communication and identity are related. It defines key terms like gender, which refers to masculine and feminine roles in society, versus sex, which refers to biological characteristics. Gender identity influences how people communicate. The document also discusses social identity theory and how the social groups we identify with can change how we communicate depending on the context. Cultural identity also influences communication styles and expectations. Stereotypes and assumptions about others' identities based on limited aspects like gender or culture can negatively impact self-concept and communication.