Users will be able to review content and guided practice to know what's missing, what fault yourself. From a friend's question in question. Sometimes your friends can fill in some extra points who guided practice.
The tutorial will review the material And to know himself lacks any shortcomings of the question of a doubt. Sometimes I was able to fill in some extra point, the tutor was missing.
The tutor will review the content and know yourself lack anything, lacking from the question of doubt. Sometimes friends can supplement replenish at some point, the tutor is missing.