Answer:
carry out plans and policies of top management
Explanation:
A 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).
This ultimately implies that, when downward communication are effectively and properly used in an organization, it helps them to achieve their aims, goals and objectives successfully.
Hence, middle managers usually carry out plans and policies of top management through the use of downward communication.
Generally, middle managers are saddled with the responsibility of carrying out plans and policies that have been formulated or designed by the top (executive) management of a business firm or company. Therefore, middle managers act as an intermediary between the top managers and the lower employees.