This document provides an overview of a lecture on human communication. It discusses key topics like forms of communication, culture and communication, and public speaking. For culture and communication, it defines culture, discusses cultural differences and intercultural communication. It explains that culture is learned from society rather than genes. Major cultural distinctions that influence communication are also outlined. For public speaking, it describes the speaker's process of selecting a topic, analyzing the audience, researching the topic, and collecting supporting materials to develop an effective speech. Guidelines for managing apprehension and preparing a speech are provided.