Physical barriers to communication can be internal or external. Internal barriers are physiological or biological in nature, such as sensory dysfunctions like illegible handwriting, deafness, or pronunciation problems that interfere with speaking, hearing, and seeing. External or environmental barriers are caused by physical surroundings and include distractions like rain, loud music, traffic noise, competing conversations, and other environmental stresses that hamper smooth communication. Ignorance of the communication medium used can also act as a barrier if the receiver is unfamiliar with that medium.
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