NAREIT index hedged v/s NAREIT Index??

CFA Level III Portfolio Management
#1

What’s the difference between these two? CFA Reading 24 Volume 5 Page 17 Exhibit 3

#2

I would say it’s quite well explained here but always open for discussion: http://www.analystforum.com/forums/cfa-forums/cfa-level-iii-forum/9983809

#3

I got the idea …Thank you