Business communication is any communication used to promote and sell products and services. It is important for exchanging information, making plans, reaching agreements, and conducting sales both internally and externally. There are different types of internal communication such as upward, downward, and horizontal, as well as external communication with people outside the company. Effective business communication leads to increased sales, credibility, efficiency, and profits by improving performance, goodwill, image, and achieving organizational goals and customer satisfaction. Common methods of business communication include emails, reports, presentations, telephone calls, forums, and face-to-face interactions.