How can i use NXT toolbox in labview?

Hi i am newbie in labview and trying to get Lego RFID communicate with labview.
But i couldnt get it done. because i could not understand how to connect each other toolboxes. 
there is no describtions for newbie, but words what i cannt understand, like buffurs thing. T.T
attached file is the .vi file what i messed up and plus, somebody's RFID circuit which i can not use.
please save me.... T.T
Attachments:
RFID2_NXT.vi ‏37 KB

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