Phase 1: Comprehending the Inquiry.
The inquiry pertains to the function responsible for guaranteeing efficient collaboration among organizational divisions.
Phase 2: Evaluating the Alternatives.
- Planning: This process establishes goals but does not specifically focus on aligning departmental activities.
- Organising: This involves allocating resources and tasks; it does not directly address synchronized operations.
- Controlling: This function monitors and rectifies performance but does not synchronize inter-unit efforts.
- Coordination: Coordination ensures that distinct units collaborate harmoniously in terms of timing, exertion, and resources to achieve objectives efficiently.
Phase 3: Determination.
The accurate response is Coordination, as it directly involves synchronizing organizational efforts.
Concluding Statement: \[\boxed{\text{The correct answer is (4) Coordination.}}\]