CORRESPONDENCE

Answer: Option D

Agreements : harmony or accordance in opinion or feeling.
Contracts : a written or spoken agreement, especially one concerning employment, sales, or tenancy, that is intended to be enforceable by law.
Documents : a piece of written, printed, or electronic matter that provides information or evidence or that serves as an official record.
Letters : a written, typed, or printed communication, sent in an envelope by post or messenger.
Correspondence : letters sent or received.


Synonym of Correspondence is Letters