The subject of this research is defining communication as a science and presenting it as a skill in accomplishing goals. This paper is divided into several unities and the main line was channelized to show the importance of communication, its forms and styles to be able to communicate properly. Communication is unavoidable part of life originally representing exchange of information among people. There is several forms of communication, mainly divided by the language and the number of participants involved. By language, we distinguish verbal and non-verbal communication. Verbal communication is used to exchange information using words, while the non-verbal communication uses gestures, face expressions, posture and bodyguard to transfer the information. By the number of participants involved we distinguish intrapersonal, interpersonal, group and public communication. Intrapersonal type of communication means a person is communicating with itself, while interpersonal type means two or more people are communicating. A group is an ingathering of interconnected people so the group communication represents a way of sharing information between one or more groups. Public communication is every type of communication with the public. Communication styles are divided on passive, aggressive and assertive style. Passive style of communicating is defined by avoiding hurting people using communicational medium. Passive person never gets what it wants and is often overloaded with other people’s claims. Aggressive style is used by people who wants to be dominate and always get what they want, no matter the cost, not even being rejected by the ambience. Assertive style of communication is the most wanted one because assertive people are being respected even when they are disagreed.