deep structure

14 LETTERS · STARTS WITH D

deep structure is a valid 14-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2E1E1P3S1T1R1U1C3T1U1R1E1

2 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does deep structure mean?