This document discusses barriers to effective communication. It identifies several categories of barriers, including physical barriers like distance and noise, psychological barriers like fatigue and unpleasant information, individual barriers like complexes and lack of ability, semantic barriers like linguistic differences and meaningless information, and organizational barriers like complex structures and heavy workloads. It provides examples for each category and suggests remedies like proper language, clarity, brevity, attention, feedback, and choosing the right communication channel. Effective communication requires understanding these barriers and their impacts on the communication process.