The principles of business correspondence or the seven C's of business correspondence are as follows:
1. Consideration: The business correspondence should be such that it indicates that you understand the reader's circumstances, problems, desires, emotions, etc. The words should be used with care.
2. Courteous: The tone of the letter should be courteous and polite. Any negative statements should be avoided.
3. Clarity: The letter should have clarity and must not be vague or unambiguous.
4. Concrete: A good business letter always provides specific information.
5. Correctness: All the information provided in the business letter should be correct.
6. Concise: The business letter should be short and to the point.
7. Complete: The business letter should contain all the necessary information.