›[U]COMMUNICATIONSwritten communications such as letters and emails: Keep copies of all correspondence.email/written correspondencecorrespondence between sb and sbHe was ordered to supply copies of any correspondence between his office and the client in question.correspondence from/to/with sbTelephone calls and correspondence to the company were ignored.private/personal/official correspondence
›[U]COMMUNICATIONSthe act of sending and receiving written communications: They entered into an agreement by correspondence.be in correspondence with sbI have been in correspondence with the bank for nearly a year about this.enter into correspondence (with sb)No correspondence will be entered into.
›[C,usually singular]a connection between two things: a close/direct correspondence between sth and sthThere is not necessarily a direct correspondence between salary level and job satisfaction.