In another post, I asked Is it permissible for Sunni Muslims to pray behind Shi'a Muslims?. What I want to know now are the major differences so that I can understand this issue better.
What is the difference between both of the terms? Definition of Sharif is here. Don't use Wikipedia English page for it cause it's talking about something different, if you want to see an English ...
What, if anything, is fundamentally unique about Islam? Obviously there are different stories, texts, and traditions associated with Islam than with other religions. But if we cut away all the fluff ...