It will also help if we are cautious of the correct language usage and avoid vague terms.
One style of effective communication is using diversity and common ground. We should look for the interest and purpose of the person we are talking to establish rapport. Even if you view differences of perspectives, honor that differences, incorporate it into your own for a powerful communication.
There is a time that it is better to be silent when you are not sure of the relationship. For example, you should understand the topics that should be avoided in the organization, profession and even in personal relations.
According to the College of Marin lecture, Chap. 1, there are barriers to communications. Sender should know the adaptability of the message to receiver and should recognize the needs, the status, and knowledge of the subject and language skills of the receiver. For instance, when someone is angry, you should listen for a while until he/she is able to express her feelings.
Lack of understanding on the subject, sender cannot explain clearly what he wants and receiver does not get the message clearly. For example, an angry customer cannot explain technicalities while sales people cannot answer.
Emotional interference creates a barrier, as in if someone is filled with emotions like being angry, joyful, and tearful; he may not receive the intended message and may deliberately not hear them. (w.c.