Correspondence
CORRESPONDENCE noun
1. Relation; fitness; congruity; mutual adaptation of one thing to another. There is no correspondence between a polite education and clownish manners.
2. Intercourse between persons at a distance, by means of letters sent and answers received. The ministers of the two courts have had a correspondence on the subject of commerce. Hence,
3. The letters which pass between correspondents. The correspondence of the ministers is published.
4. Friendly intercourse; reciprocal exchange of offices or civilities; connection.
Let military persons hold good correspondence with the other great men in the state.