station identification

22 LETTERS · STARTS WITH S

station identification is a valid 22-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1T1A1T1I1O1N1I1D2E1N1T1I1F4I1C3A1T1I1O1N1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 2 + 1 + 1 + 1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does station identification mean?