lightning file

14 LETTERS · STARTS WITH L

lightning file is a valid 14-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1I1G2H4T1N1I1N1G2F4I1L1E1

1 + 1 + 2 + 4 + 1 + 1 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does lightning file mean?