What is communication, communication situation and importance of effective communication in business, Types Of Communication: Organisational pattern in firms, Downward communication, Upward communication, Horizontal communication, Grapevine ,Consensus, Media :Introduction, Written communication ,Oral communication, Face- to- face communication, Visual communication, Audio -Visual communication, Computer -based communication, Silence, Business letters :Presentation-Fully-blocked layout, categories of business letter, structure, presenting business letters- key points to remember, Memos :Introduction, objective, structure, key points to remember, Reports and Proposal :Introduction, Types of report, Formal reports, Structure of a formal report, Presenting the report, Checklist for compiling reports ,Proposals , key points to remember.