Explanation:

Box 1: Yes
setNotification displays an error message for the control to indicate that data isn't valid. When this method is used, a red "X" icon appears next to the control. On Dynamics 365 mobile clients, tapping on the icon will display the message.
Syntax: formContext.getControl(arg).setNotification(message,uniqueId);
Box 2: No
Box 3: Yes
setFormNotification displays form level notifications. You can display any number of notifications and they will be displayed until they are removed using clearFormNotification.
Syntax: formContext.ui.setFormNotification(message, level, uniqueId);
Box 4: No
Reference:
https://docs.microsoft.com/en-us/powerapps/developer/model-driven-apps/clientapi/reference/formcontext-ui/set
https://docs.microsoft.com/en-us/powerapps/developer/model-driven-apps/clientapi/reference/controls/setnotifica