identification space

20 LETTERS · STARTS WITH I

identification space is a valid 20-letter word worth 29 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1D2E1N1T1I1F4I1C3A1T1I1O1N1S1P3A1C3E1
1 + 2 + 1 + 1 + 1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 3 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does identification space mean?

1