There are many barriers to communications. I just explained few a below :
Physical Barrier: Identifying the preferred method of communication and using appropriate method to establish communication. Methods are body language, gesture, touch, eye contact, facial expression, clear spoken language, makaton, minicom or type talk, writing, drawing and picture.
Language differences: Providing interpreter or translator service. Using makaton, body language, gesture, drawing and picture.
Cultural Differences: Checking individual’s record, speaking to a family member or friends or someone else who is from same culture or through the country’s cultural representative.
