Answer:
Downward
Step-by-step explanation:
Downward communication
When instructions/orders given from Superiors to Subordinates.The instruction can be via mail,oral or handbooks it can be of any form. Examples are shareholders instructing management,teacher ordering students to bring notebooks etc.
Upward communication
When Information is sent bottom level to the upper levels in an organization.The information includes reports,judgments, estimations, propositions, complaints, appeals, etc
Lateral communication/Horizontal communication
When same hierarchical levels shares idea or information with each other for coordinating, fulfilling a common purpose or goal.It doesn't involve sharing information with up or down levels in organization.