Important points Assalamualaikum, It would be very beneficial for the folks who are not so fluent with urdu, if you can mention important notes/points you came across during your research on the topic. Ma'salam
MNoori But I forgot it again, it is not on my scribd account, the link is given in this post http://www.sunniport.com/masabih/showpost.php?p=38643&postcount=12 But you can also find it on scribd in the archive of Tariq Lahori
there is a detailed fatwa of hazrat shaah abd al-aziz aliahi rahmah wa riDwan explaining the difference.
allmah ashraf siyalvi's book gulshan e tawhid o risalaat in two volumes deals with it through and through, check it on my scribd archive.