The document discusses the key properties of a well-written text. It defines a text as a connected set of ideas that expresses a central theme. A well-written text has four main properties: organization, coherence and cohesion, appropriate language use, and proper mechanics. Organization refers to the logical arrangement of ideas. Coherence and cohesion involve connecting sentences and paragraphs through transitional and linking devices. Appropriate language use means using a style suitable for the text type. Proper mechanics involves following conventions for capitalization, punctuation, spelling and formatting.