This document discusses different aspects of business organization and functions. It covers topics like the various business functions including human resources, finance, operations, sales and marketing, research and development, administration and IT, and customer service. It also discusses different types of business organization structures such as hierarchical, pyramidal, entrepreneurial/centralized, collaborative, circular/flat, and matrix structures. Finally, it notes that business structures are changing and becoming less hierarchical with an emphasis on communication and collaboration across sections.