This document discusses different contexts and styles of speech communication. It defines four contexts: intrapersonal communication which occurs within one's own mind; interpersonal communication between two or more individuals which can include dyadic or small group interactions; public communication which requires delivering a message to a larger audience; and mass communication through various media platforms. It also outlines five speech styles - intimate, casual, consultative, formal, and frozen - which vary based on the formality of language and audience. The document provides examples for each context and style to illustrate their meanings.