The previous sections on style have, I hope, shown you how to maintain a clear sense of voice in all that you write. I have stressed the twin needs: listen to what you write and keep your reader in mind at all times.
If you take care of those tasks, you will quickly find that your judgment becomes sound-judgment of tone, of circumstance, of what the most appropriate register might be.
You will also come quickly to realize that different kinds of writing require different approaches. This section looks at a variety of specific tasks, all of which have their own conventions and criteria. We start with the letter.