Final answer:
A barrier is an obstacle hindering movement or access. In communication, communication barriers impede the effective exchange of information between individuals. Examples of communication barriers include selective perception and information overload.
Explanation:
Barrier can be defined as an obstacle or hindrance that prevents movement or access. In communication, a communication barrier refers to any obstacle that hinders the effective exchange of information between two or more people. Examples of communication barriers include selective perception, information overload, and lack of source credibility.
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