Question: what are the essential features of a business letter?
Answer: Simplicity: A business letter should be simple. ...  Conversational style: An effective letter is one that gives an impression of face to face communication. ...  Clarity of goal: The writer should be clear about what he wishes to convey. ...  Public relation: ...  The 'You' attitude: ...  Courteous: ...  Persuading: ...  Sincere: