This report comprehensively examines communication skills within a business context. It begins by introducing communication models, such as Shannon's and Berlo's models, and communication systems like VoIP and PBX phone systems. The report further explores different communication methods, including formal (meetings, conference calls, emails) and informal (hallway conversations, lunch meetings) approaches, alongside the advantages and disadvantages of each. It delves into the use of technology in business communication, covering the internet, mobile devices, and messaging applications. Additionally, the report discusses principles of effective communication (simplicity, clarity, accuracy, feedback) and barriers to effective communication (emotional barriers, language differences, physical disabilities). The report also includes examples of oral communication in business scenarios, such as customer service interactions, a formal report, and a CV. Overall, the report provides a detailed analysis of communication strategies and their practical application in a business environment, offering valuable insights into fostering clear and effective communication.