This document discusses the nature and importance of speech, the relationship between speech, language, and communication, and the elements and types of communication. It defines communication as a two-way process of transmitting messages between people that influences behavior. Language is the medium through which messages are conveyed, while speech is the verbal means of communicating meaning. Speech involves shaping sounds and breath into words using speech organs. The document also outlines the stages of the communication process from the triggering event to the receiver's response.