This document discusses key concepts related to social interaction and social structure. It defines status as a social position and role as the expected behavior associated with a given status. Ascribed status is received involuntarily while achieved status is gained voluntarily. A master status is particularly important for social identity. Role conflict occurs when roles associated with different statuses conflict. Role exit is disengaging from important roles. Social construction of reality refers to how people shape reality through social interaction. Nonverbal communication and language also influence social interaction and the presentation of self in everyday life. Emotions, humor, and language are important dimensions of everyday social interaction.