It saves time, paper, and misunderstanding, and so it saves money. To make your English clear, you need to put yourself in the position of your reader, and decide what they need to know. Show how your ideas are related. It may be obvious to you, but your readers will be happier if you give them signposts. If you need to deal with several questions, provide a clear heading for each.
Some information is very simple, and can be given in a straightforward way, but some is complicated.
Write in everyday English. This will often save thinking time, for you can use the words that you first thought of when you got your aims straight for yourself. Research shows that simple language sells products and services better than any other kind. Don't waffle or pad. Use we for your organization, rather than talking about it in the third person, and use you for the readers.