transposition method

20 LETTERS · STARTS WITH T

transposition method is a valid 20-letter word worth 27 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1R1A1N1S1P3O1S1I1T1I1O1N1M3E1T1H4O1D2

1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 4 + 1 + 2 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does transposition method mean?