territorial division

NOUN
20 LETTERS · STARTS WITH T

territorial division is a valid 20-letter word worth 23 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1E1R1R1I1T1O1R1I1A1L1D2I1V4I1S1I1O1N1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 4 + 1 + 1 + 1 + 1 + 1 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does territorial division mean?