Scenario: Albert is writing the instructions for a new line of espresso machines his company is manufacturing. These machines range from an apartment model that makes one cup of espresso at a time to a free-standing commercial model intended for independent coffee shops and cafes. The company is marketing a single-person apartment model, an in-home model, a small shop model, and a large shop model that can make multiple cups of espresso quickly. Albert looks over the various models and wonders who will be using which espresso machine and where. He decides to jot down a set of questions to help him think about his audience for each machine. Next, Albert decides to ask himself a more personal question: What is your purpose? He decides to think carefully about the purpose for these instructions. He decides his purpose is to help readers make a tasty cup of coffee safely. When he realizes that, he also realizes that
a) his purpose is irrelevant to the instructions, which should be factual.
b) some of the material he was including in the instructions, such as a section on the difference between various roasting methods, should be omitted because that material