The document discusses three models of strategic communication: linear, adaptive, and interpretive. The linear model views strategy as long-term planning by top managers to achieve goals through rational decision making. The adaptive model focuses on continuously adjusting the organization to its dynamic environment through co-alignment. The interpretive model views strategy as managing meanings and symbols to legitimize the organization through shared understandings. It then covers characteristics like public communication, the communication source, and a transactional approach. Finally, it discusses the traditional perspective on internal communication topics like orientation, morale, and change, and external communication topics like public relations, issues management, and advocacy.