What should be documented regarding key business functions and their roles?

Documenting the level of involvement and reasons for inclusion in processes for key business functions and their roles is crucial because it provides insights into how different functions contribute to the overall objectives of the organization. This documentation helps establish clarity within teams, ensures accountability, and facilitates effective communication among members, which is essential for cohesive operational execution. Understanding the specific roles of various functions enables the organization to optimize workflows, highlight interdependencies, and support strategic decision-making.

In contrast, while historical performance data may provide some background context, it does not directly inform present roles or responsibilities. Documenting only past failures is too narrow a focus and does not encompass the full role of functions within the organization. Additionally, budget allocations, while important for financial planning, do not capture the qualitative aspects of how functions engage within processes. Therefore, tracking their involvement and reasoning is paramount for aligned and efficient business operations.