Bread
Bread is a staple food prepared by baking a dough of flour and water and often additional ingredients, such as butter or salt to improve the taste.

Buns
A bun is a small, usually sweet, bread. Commonly they are hand-sized or smaller, domed in shape, with a flat bottom.

Rusk
A rusk is a hard, dry biscuit or a twice-baked bread. It is sometimes used as a baby teething food. The name also refers to a wheat-based food additive

Snacks
A snack is a portion of food often smaller than a regular meal, generally eaten between meals. Snacks come in a variety of forms including packaged.