- Clear: The message of the letter should be easy to understand and unambiguous.
- Concise: The letter should be as short as possible while still conveying all the necessary information.
- Coherent: The letter should flow smoothly and logically from one point to the next.
- Complete: The letter should include all the necessary information and details.
- Courteous: The letter should be polite and respectful.
- Correct: The letter should be free of grammatical and spelling errors.
A bad letter is the opposite of a good letter. It may be unclear, rambling, incomplete, or rude. It may also contain grammatical and spelling errors.