Answer to Ques No 1:
A " communication barrier" or "a barrier to communication" is anything
that interferes with the transfer of intended information from a sender
to a receiver.
Answer to Ques No 2:
We can maintain personal contact through Three Common Barriers. They are Physical, Psychological, Cultural.
Physiological barriers :
Deafness or hearing loss
•Blindness or impaired vision
•Aphasia or speech disabilities
Cultural barriers :
•Each cultural group has beliefs and practices regarding health and illness.
•Some cultures believe the body needs balance-if the body is cold, they eat hot foods.
•Some cultures believe illness is due to demons and evil.
Some cultures believe health is a reward from God, and illness is punishment from GodPsychological barriers :
The psychological state of the communicators will influence how the message is sent, received and perceived.
For
example, if someone is stressed they may be preoccupied by personal
concerns and not as receptive to the message as if they were not
stressed.