One of the mysteries of the English language finally explained.
1A reply concerning business, especially in response to a business letter.
2Attributive designating a card, envelope, etc., on which postage to the business to which it is addressed is prepaid; designating a service by which mail of this type may be sent.
Mid 19th century; earliest use found in The Morning Post.
In this article we explore how to impress employers with a spot-on CV.