Hi guys, I am stuck on a few questions. Let me know if you could help me better understand the following:

1) What is the difference between process builder and flow (not workflow)?

2) If a mgr wants to update a custom field with a specific case user for certain cases, how can he go about doing that? Formula field/ validation field?

3) Can you use 2 picks lists for the same business process or do you need two pick lists? 

4) Can anyone create dashboard folders? What permission should they have to allow this? 

5) Users are forgetting to submit their requests for approval. How can we ensure that submittals are automatically sent for approval?