Communication is a basic prerequisite for successful compiling and doing business, for transmitting information. Communication is extremely important in today's world, by transferring information from one person to another. The main goal of communication is that the recipient understands the given information. Who has information, there is power. When communicating or transmitting information, it is essential that the information is complete, timely and reliable, which is considered to satisfy efficient, non-effective communication. Verbal communication exists when the exchange of information, thoughts and ideas between people is realized through the word. Verbal communication is realized through written and spoken words, whether written or verbally. Nonverbal communication is the message transmission without the use of words, with different nonverbal symbols such as: smile, view, body movement, facial expression, eye contact, physical contact, posture and gesture. Intrapersonal communicates at a moment when he is thinking, writes a diary, prepares for an important conversation, analyzes his own procedures, makes important life choices, and the simplest example is when holding a monologue. Group communication takes place within one or more groups. Mass communication involves a large number of participants, regardless of professional, age, gender or any other status. There are also numerous obstacles affecting successful communication, and according to the basic division, they are divided into external and internal.