the letters that someone sends and receives, especially official or business letters:
A secretary came in twice a week to deal with his correspondence.
the process of sending and receiving letters:
The magazine is unable to enter into any correspondence on medical matters.
(be in) correspondence with somebody
He had been in correspondence with her for several years before they finally met.
All correspondence between us must cease.
a relationship or connection between two or more ideas or facts
There was no correspondence between the historical facts and Johnson's account of them.