In this video we cover the basics of variables. What they are, how you assign a variable, the types of variables, and naming conventions. This episode is important if you don't know those things already, unfortunately we don't have Papyrus itself involved.
Useful supplementary links:
Shows the basic variable types with their default values: http://www.creationkit.com/index.php?title=Variable_Reference
Shows some explanation on the four literal variables: http://www.creationkit.com/index.php?title=Literals_Reference
Shows off a naming convention that was cited in the video: https://msdn.microsoft.com/en-us/library/aa240858%28v=vs.60%29.aspx
If you have any questions about this video, previous videos, or scripting, in general, feel free to poke me:
Nexus - https://www.nexusmods.com/users/582310