Answer:
Functional departmentalization.
Step-by-step explanation:
Functional departmentalization is a general term that refers to subdividing work and workers into separate organizational units that are responsible for completing particular tasks. Downward communication is used in functional departmentilazation.
Downward communication can be defined as the formal flow of information and messages within an organizational hierarchy; which is mainly from a higher level (senior management) of an organization to a lower level (middle management) and lastly, to the least (subordinates).
When downward communication are effectively and properly used in an organization, it helps them to achieve their aims, goals and objectives successfully.