A business letter is a skillfully written file that is used for professional communication between two or more parties. Such stakeholders may include employees, clients, and other people or companies that are part of a new or established relationship or agreement. Business letters are also often defined as letters that are used during a business transaction to confirm the details and purpose of the transaction. In business letters, it is not essential for the sender and receiver to know each other.
It also serves the purpose of written evidence of the communication between the parties involved. Some of the examples of business letters are memos, circulars, magazines, manuals, etc. Business letters serve the purpose of communication between parties involved in a business deal and can be saved for record-keeping purposes.