Before making too many generalizations concerning communication and barriers in communicating effectively in a classroom and how the teacher overcomes these barriers, we need to briefly renew the concept of communication, the functions that communication performs and describe the communication process.
Communication is the backbone of teaching and learning. The term communication is derived from a Latin word communis which means ‘to common’ or ‘to share mutually’. So communication refers to a common experience among people. The word communication means a variety of things to different people. Some widely accepted definitions of communication are as follows: