The document discusses different types of organizational structures that companies can adopt. It states that senior leadership should determine the best structure by considering functional groupings of work and natural team formations. Some common structures mentioned are hierarchical, matrix, functional, product-based, customer-based, and geographic structures. The hierarchical structure relies on vertical reporting relationships, while the matrix structure allows for horizontal reporting across teams in addition to functional reporting. Choosing the right organizational structure is important for clarifying responsibilities and enabling efficient collaboration within a company.