Communication is important for the successful realization of functions of management, but it is most important for the functioning of leadership. Communication is the transfer of information from the sender to the recipient, provided that the recipient understands, and in the organization or institution it is a means of connecting people to the achievement of a common goal. In order to communicate at all could happen, there should be a purpose, expressed as a message to be transmitted. The message is transmitted between sender and receiver. The message is encoded (converted to symbolic form), and through a medium (channel) is transferred to the recipient, who re-converted (decoded) message sent by the sender. The result is the transfer of meaning from one person to another. There are two main ways of communication and that is the vertical and lateral. The vertical dimension can be divided up and dolje.Kao they name implies, the main purpose of a barrier in communication is to prevent that the message is received and understood. Communication barriers can be divided into three categories: socio-cultural barriers, psychological barriers and organizational barriers. The role of communication in the manufacturing process and its practical application is the result of business philosophy and internal organization of the company. No organization has to communicate effectively, and certainly not I existed commercial communication that no organization. The organization is static and dynamic communication part of the same social and working process. The main role of communication in the organization is that it represents the boundary between success and failure, and is of great importance when leaving impressions to business partners, suppliers and customers.