Answer: Option B
Explanation: Downward communication refers to the interaction from the base of the management structure where details or messages come from the peak of the management structure.
Communications to the base happen as data flows to assistants down the hierarchy from supervisors.Such ways of communication might include forms like team meetings, the corporate newsletters, corporate policy statements, knowledge memos, face-to-face contact, orders, instructions, etc.
Thus, from the above we can conclude that the correct option is B.