concatenation system

20 LETTERS · STARTS WITH C

concatenation system is a valid 20-letter word worth 28 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1N1C3A1T1E1N1A1T1I1O1N1S1Y4S1T1E1M3

3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does concatenation system mean?