Letters sent between two parties in which one makes an offer and the other accepts it.
A written message; a letter, note or memo.
Specially sent; intended or prepared to be sent.
A particular posted letter or package which is delivered in this manner; a particular act of conveying such letters or packages to one or more recipients.
A kind of postal service in which, for an extra fee, letters and packages are delivered in a highly expedited manner by a special courier.
Something—whether desirable or undesirable—which is intentionally given to a specific individual or which an individual receives rapidly and unexpectedly; the personalized, direct quality of the transmission of such an item.