Communication is important in every aspect of human endeavor. It can be defined as the transfer of knowledge and understanding from one to another. Why is communication essential in EDM? Name essential communication tools and discuss what you consider as impediments to effective communication in the aftermath of a disaster. Evaluation Criteria: Described why communication is essential to disaster site management and the incident command center. Researched and discussed communication tools and impediments to effective communication. Four Steps for Effective Communication Leaders, planners, and responders are held accountable for what they say and how they say it. Based on this, list what you consider are four steps to effective communication, and provide a rationale for your answer. Evaluation Criteria: Identified four key steps in communication. Described why specific steps are important in effective communication.