This report examines the crucial role of communication skills within business organizations, highlighting various communication models such as Shanon and Weaver's Information Theory Model and Berlo's S-M-C-R model, alongside different communication systems like optical and radio communication. It discusses various communication methods including written (proposals, reports, brochures), verbal, non-verbal, visual, and electronic methods, emphasizing the importance of both formal and informal communication channels. The report also outlines principles for effective communication, such as objective, consistency, and feedback, while addressing barriers to clarity, understanding, and completeness. It concludes by stressing the vital role of effective communication in preventing confusion and conflicts, and recommends the use of appropriate models to clarify roles and responsibilities within a business.