Carbohydrates
Carbohydrates are foods which give you energy. Mostly they are either starches or sugars. Some foods which have a lot of carbohydrates in them are oatmeal, bread, honey, rice, millet, barley, noodles, and alcohols like wine and beer.
For more about carbohydrates, check out this book from Amazon.com or from your library:
Carbohydrates for a Healthy Body, by Hazel King (2003).