Meaning of correspondence in English
US /ˌkɔrəˈspɑndəns/ UK /ˌkɒrɪsˈpɒndəns/
1. the fact of corresponding; agreement
the correspondence of one's words with one's actions
2. similarity in particular points; resemblance
There is not much correspondence between her opinions and mine.
3. the writing or receiving letters to each other, or the letters written or received; communication by the exchange of letters
We kept up a correspondence for many years.