This document discusses characteristics of effective language for communication and reading comprehension. It identifies five key characteristics: 1) clarity through concrete rather than abstract language, 2) simplicity through direct rather than complex wording, 3) adapted language that relates to the reader's background, 4) forceful language that stimulates interest, and 5) vivid language that is descriptive. Following examples that demonstrate each characteristic, the document concludes that applying these language guidelines can make reading more meaningful and effective.