leader block

12 LETTERS · STARTS WITH L

leader block is a valid 12-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1E1A1D2E1R1B3L1O1C3K5

1 + 1 + 1 + 2 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 5 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does leader block mean?