range mark

10 LETTERS · STARTS WITH R

range mark is a valid 10-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1N1G2E1M3A1R1K5

1 + 1 + 1 + 2 + 1 + 0 + 3 + 1 + 1 + 5 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does range mark mean?