Final answer:
The contemporary and classical perspectives are the two overarching perspectives about management. The contemporary perspective takes a holistic view of management, while the classical perspective emphasizes hierarchical roles and efficiency.
Step-by-step explanation:
The two overarching perspectives about management are the contemporary and classical perspectives.
The contemporary perspective focuses on the present and takes a holistic view of management, considering factors such as organizational culture, employee engagement, and social responsibility.
The classical perspective, on the other hand, emphasizes hierarchical roles within an organization and focuses on efficiency and productivity.