the exterior

12 LETTERS · STARTS WITH T

the exterior is a valid 12-letter word worth 21 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4E1E1X8T1E1R1I1O1R1

1 + 4 + 1 + 0 + 1 + 8 + 1 + 1 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does the exterior mean?