This document discusses several models of communication: - Aristotle's model from 300 BC focused on oratory and effective delivery. - Laswell's 1948 model examined who communicates what through which channel to whom with what effect. - Shannon and Weaver's 1949 model focused on information theory and the transmission and reception of messages. - Schramm's 1954 model stated communication requires common experiences between sender and receiver. - Berlo's 1960 model identified factors controlling the elements of communication like source, message, channel and receiver. - Dance's 1967 model viewed communication as evolving over time based on past experiences.