space factor

12 LETTERS · STARTS WITH S

space factor is a valid 12-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3A1C3E1F4A1C3T1O1R1

1 + 3 + 1 + 3 + 1 + 0 + 4 + 1 + 3 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does space factor mean?