Subject: It is a brief statement mentioning the reason for writing the letter. It should be clear, eye catchy, short, simple, and easily understandable. The Greeting: It contains the words to greet the recipient. It is also known as the salutation. The type of salutation depends upon the relationship with the recipient. It generally includes words like Dear, Respected, or just Sir/Madam. A comma (,) usually follow the salutation. The Body Paragraphs: This is the main part of the letter. It contains the actual message of the sender. The main body of the mail must be clear and simple to understand. A body of the letter is basically divided into three main categories.
When you write a business document, you must assume that your audience has limited time in which to read it and is likely to skim. Your readers have an interest in what you say insofar as it affects their working world. They want to know the “bottom line”: the point you are making about a situation or problem and how they should respond.