interpretation clause

21 LETTERS · STARTS WITH I

interpretation clause is a valid 21-letter word worth 24 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1P3R1E1T1A1T1I1O1N1C3L1A1U1S1E1

1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does interpretation clause mean?