Concreteness refers to using facts and figures and image building words in your writing. It adds up to the value of the document.
Concreteness In Effective Communication, What Is Concreteness?
Ir means being specific and vivid in writing and speaking. It means using denotative rather connotative words so that the recieve4r may easily comprehend what they intend to say. It also saves time and money of both sender and the receiver.