-What is AngularJS Watch and Watch list
-How are scopes associated to Watch list
-What is Angular Context
-What is digest cycle
-What are digest iterations (min and max)
-When are Watch listeners executed
-What is digest process / phase in Angular JS
-When does digest process kick in
-What events may kick in digest process
-How are digest process / iterations, watch list and scope related
-At what point DOM gets updated / rendered
-What is Event loop