The document discusses the key properties of a well-written text, including organization, coherence and cohesion, language, and mechanics. It provides details on each property and emphasizes the importance of strong organization through proper paragraph structure, logical flow of ideas, and use of transitional devices. Coherence and cohesion refer to how smoothly ideas connect within and across paragraphs. Appropriate language depends on factors like formality and avoiding bias, while mechanics involve proper spelling, punctuation and capitalization. Critical reading and developing strong thinking and reasoning skills are also emphasized.