The document discusses the five contexts of communication: intrapersonal, interpersonal, group, public, and mass communication. It provides examples and descriptions of each type. Intrapersonal communication is internal self-talk. Interpersonal communication occurs between two people through channels like face-to-face interaction. Group communication takes place between 3-12 individuals. Public communication involves one person speaking to a larger audience. Mass communication uses media to reach a wide audience.