1. Horizontal communication: It is the process of lateral flow of information in order to coordinate work activities at the same level of management hierarchy. It helps in coordination of task, share information and minimize the conflict. In other words, it is the flow of information between the activities and to solve the organization problems, this can be shown by following figure.
2. Vertical communication: It is the process of upward and downward flow of information in order to coordinate work activities at the different level of management hierarchy. It helps in task directives, share information about rules and regulations, responsibility, problem, achievement and suggestions and minimize the conflict between subordinates and superior. There are two types of vertical communication.
- Downward communication: It is the flow of information from top to bottom through formal lines of authority. Top level management transmits the information to subordinates about objectives, policies, strategies and responsibility.
- Upward communication: It is the flow of information from bottom to top in an organization. Middle and low level management transmits the information to superior about problems, suggestions.
3. Diagonal communication: It is the flow information between the superior and subordinates who are neither in the same department nor at the same level. It violates the principle of chain of command and unity of command.