What are possible reasons of values not showing in dropdown of static Picklist?

Question: What are possible reasons of values not showing in dropdown of static Picklist?

Answer: The possible reason which could result in Picklist values not showing are

1.PickMap is not defined for Field which is showing Picklist values
2.LOV Type and LOV Values are not defined
3.Runtime Flag on Applet level is not true.
4.You have not clicked on Clear Cache after adding the values and trying to see values in same session.

If any of the above mentioned reason is true then you will not see the values in the dropdown of field