(1) Co-ordination is an integration of different activities which is essential for their smooth flow. It establishes harmony among all the activities of an organisation in achieving desired goals. Co-ordination will not exist unless efforts are taken at all levels of management.
(2) Co-ordination is the synchronization of the efforts of a group so as to provide unity of action for organisational goals. It is a hidden force which binds all other functions at all levels of management.
(3) In an organisation, a number of persons are working together to achieve a common goal. Their work is closely linked with each other. Co-ordination function brings all the group efforts together and harmonise them carefully.
(4) Co-ordination is orderly arrangement of group efforts to provide unity of action to achieve common goals. Co-operation, team work and higher efficiency level lead to attainment of goals and thus, it is the essence of organisational success.