Define a business letter.

Writing a professional, polished business letter or business email is easy once you know the basics. Most business letters are written in a simple format that is easily adapted to any company’s needs, and business email follows a similarly simple format. Read on to learn more about how to make your business correspondence look its best.

According to J. H. Hanson, - The letters which are exchanged among business in connection with business affairs are called business letters.

L. Rahman says, - Correspondence having commercial or business interest is known as commercial correspondence.

According to Prof. Taintor, - All letters written for business purpose are business letters.