selection rule

14 LETTERS · STARTS WITH S

selection rule is a valid 14-letter word worth 15 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1L1E1C3T1I1O1N1R1U1L1E1

1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does selection rule mean?