Thanks @Gaureshk_Kodag !

Would I be right to assume, in the scenarios above (banner, page content, and another section within the same page each having its own Target Activity scope), do they need to be on the same priority level (same page, same priority level) in order for all of them to kick in? 
What happens if it is difficult to keep priority level across multiple experiences on the same page? e.g. emergency contact link as multi-page overlay at priority 999 (assuming it uses a separate element on page structure from any of the mentioned campaigns and initiatives)? Would that stop other activities on the same page? 
I am asking about order of decision execution for Adobe Target - I understand Target checks location (page) etc. and loads all the qualified Activities on the page, then use priority to decide which one to show. Now, where does this different page element come in? 

Thanks again for any comments!