Coordination is the process of aligning and unifying the efforts of different individuals and departments to achieve organizational objectives efficiently. It ensures that activities are harmonized across functions like production, marketing, finance, etc.
It is often called the “essence of management” because it runs through all managerial functions — planning, organizing, staffing, directing, and controlling.
Thus, coordination enables synergy and avoids duplication or conflict.
Final Answer: (C) Co-ordination