function class

14 LETTERS · STARTS WITH F

function class is a valid 14-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4U1N1C3T1I1O1N1C3L1A1S1S1

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

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does function class mean?