Final answer:
Business letters are legal documents that serve as records of transactions in a professional setting.
Explanation:
Business letters serve as a formal method of communication within a professional setting, often used for external correspondence. They are considered legal documents and can be held for up to seven years, emphasizing the importance of accuracy and honesty in their content. Contrary to the statement, a business letter does serve as a record of a transaction, outlining agreements and commitments.
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