Vanilla: Nothing Extra (aka all original SMW items
Strawberry: Some custom stuff, but still some classic stuff as well
Chocolate: Entirely custom stuff
Of course that these are just generalizations of PURE vanilla/chocolate... however people tend to call something if its close (ex. Chocolate music, but vanilla everything else can be called Vanilla, and reverse)
So remember kids! If you ever get caught having tosave a princess from a foreign land after getting dragged down a drain pipe, jumping while spinning in a circle can help you greatly by allowing you to jump on spinning saw blades, ghosts, and allow you to control your jump better!