Final answer:
The term describing how work groups are related in an organization is hierarchy, which refers to a structured chain of command. Traditional hierarchies have shifted in some organizations towards flatter structures to foster teamwork and adaptability.
Step-by-step explanation:
The term that describes how work groups are related in an organization is hierarchy. A hierarchy establishes a chain of command and a clear structure for reporting and responsibilities. In many formal organizations, including large corporations and governments, bureaucratic principles are employed to create an efficient system for accomplishing large-scale and complex tasks. Hierarchy of authority is crucial in these structures, creating a top-down approach to management where each level of the organization reports to the level above.
While hierarchy has been the traditional form, many organizations now focus on teamwork and may adopt flatter structures to enhance collaboration and adapt more quickly to changing business environments. Thus, understanding the organizational structure, including hierarchies where they exist, is key for employees to navigate their roles within a company.