cross correspondence

20 LETTERS · STARTS WITH C

cross correspondence is a valid 20-letter word worth 28 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3R1O1S1S1C3O1R1R1E1S1P3O1N1D2E1N1C3E1
3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 2 + 1 + 1 + 3 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does cross correspondence mean?

1