1.0 INTRODUCTION
Communication is very important in our life. Communication is a tool with which we exercise our influence on others, bring out changes in our and others’ attitudes, motivate the people around us and establish and maintain relationships with them. Communication makes a major part of our active life and is a social activity. This social activity is pursued verbally through speech, reading and writing or non-verbally through body language. Though communication exists even among some species of animals, birds and insects, it is limited to certain noises like chirping and crying, or movements and is related to their instinctive needs like hunting, preying and mating. Human, communication is more complex, varied and has several objectives.
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Indeed, communication experts have difficulty agreeing on one definition to cover every situation. There is some of the definition of the communication such as communication is a transaction whereby participants together create meaning through the exchange of symbols (Rothwell, 2010). This definition are divided into four major points which is communication as a transaction, people working together, the creation of meaning and the exchanged of symbols. Each major can be elaborating as (1) communication as transaction. It is involved two or more people who construct meaning together. They have to take one another into account, and have to work together according to a set of rules. (2) People working together. This definition stresses the importance of people working together. People have to pay attention to each other at the same time. They have to learn to develop mutual expectations. If mutual awareness exist then mutual influence becomes possible. (3) Creation of meaning. People need to ensure that others understand what they are saying. Words do not have meaning in themselves because people give the meaning of the words. The same words may therefore have different meaning for different people. Effective communication therefore demands that people work together to ensure that the meaning created is the same for all. There must be a sharing of meaning. (4) Exchange of the symbols. Exchanging symbols enables people to create meaning. Symbols may take much form such as, (1) it may be verbal. The words that used when one speak or write to others in an organization. (2) It may be non-verbal. These may take the form of gestures, facial expressions, the way people stand and the use of voice in different ways. (3) It is also may be graphics. Graphic communication takes the form of tables, line graphs, bar graphs and