first move

10 LETTERS · STARTS WITH F

first move is a valid 10-letter word worth 17 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4I1R1S1T1M3O1V4E1

4 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 4 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does first move mean?