The document discusses the key components of communication and public speaking. It outlines the 7 components of communication, which are the source, receiver, message, channel, feedback, situation, and noise. It also discusses 5 canons of rhetoric including invention, organization, style, understanding, and delivery. The document then provides information on several aspects of public speaking such as the importance of democracy and civic engagement, life skills developed through public speaking, the power and uses of language, different modes of delivery for speeches, strategies for impromptu speaking, the three cornerstones of public speaking according to Aristotle which are ethos, pathos, and logos.