Answer:
Among the characteristics of good business writing are clarity, precision, and economy of language. Yet, as students discover for themselves in class, most people write with none of these requisites because they've never been taught a method to do so. Participants in this course learn to differentiate between the different types of information that make up their messages, namely:
W - to Whom it is written
R - Real meat of the message
I - Information on background
T - Take these steps
E - End it