Wendy, I might be nuts on this, but I consider anything that does not have nutritional value, but is sweetened, to be a sweet treat.
Therefore--pudding mix, but not the milk in it, is a sweet treat. Jell-o, any SF candy, hard or chocolate, popsicles, etc. are all sweet treats.
Does that make any sense?
Remember, we aren't talking about whether it's high in calories or not...we're just talking about sweet things with no nutritional value.