The dining package includes one counter service meal, one table service meal and one snack daily per person, per night of your package stay. The table service meals include appetizer, entree, dessert and non-alcoholic beverage or one full buffet. The counter service includes entree, dessert and non-alcoholic beverage or a combo meal. The snacks include things like popcorn, ice-cream bar, bag of chips etc... Almost forgot---gratuity is included!!!!
You can get the dining package anytime you stay at WDW (for a fee of course) but it has been offered for free to folks going mid-August til the end of September for the past two years.
It is an amazing deal. I kept my receipts last year and my family saved over $1500 in meals. We even had meals left over that we didn't use. We are counting the days until we go again in September!