Communication through words may be in writing or oral. Written communication entails transmission of message in black and white. It mainly consists of diagrams, pictures, graphs, etc. Reports, policies, rules, orders, instructions, agreements, etc have to be conveyed in written form for proper functioning of the organization.

Written communication guarantees that everyone concerned has the same information. It provides a long-lasting record of communication for future. Written instructions are essential when the action called for is crucial and complex. To be effectual, written communication should be understandable, brief, truthful and comprehensive. The main advantages and disadvantages of written communication are as follows: -