This document defines communication barriers and identifies several types of barriers that can impede or disrupt the communication process. It discusses physical and environmental barriers like uncomfortable settings or noise. Semantic barriers involve issues with language use like jargon or poor sentence structure. Cultural barriers arise from differences in interests, knowledge, values or traditions between communicators. Physiological barriers relate to listening skills, information overload, emotions or retention. Social barriers involve conformity pressures and demographic factors. Organizational barriers include technological failures, time pressures, and complex hierarchies.