This document discusses various topics related to business communication and structure. It begins by explaining the importance of communication for passing information within an organization. It then describes different forms of business structure including entrepreneurial, matrix, pyramid, and independent structures. The entrepreneurial structure has one central authority making all decisions while the matrix structure forms teams of employees with special skills. The pyramid structure follows a hierarchy and the independent structure supports workers. The document concludes by defining different channels of communication like vertical, downward, horizontal, and diagonal.