The document identifies and describes common barriers to effective communication such as cultural barriers, language barriers, physical barriers, emotional barriers, gender barriers, interpersonal barriers, and perceptual barriers. It focuses on cultural barriers and language barriers, explaining that cultural barriers can relate to business practices while language barriers can occur due to unfamiliar terminology, lack of a shared language, or misunderstandings. The document provides tips for overcoming these barriers, such as respecting cultural beliefs, using body language appropriately, understanding customer needs in a business context, and using visual aids, simple language, translators, or rephrasing when facing language barriers.