vertical grouping

17 LETTERS · STARTS WITH V

vertical grouping is a valid 17-letter word worth 25 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4E1R1T1I1C3A1L1G2R1O1U1P3I1N1G2

4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 2 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does vertical grouping mean?