Spices and herbs are used for flavoring, coloring, and preserving food. Spices come from seeds, fruits, roots, or barks, while herbs come from leaves. Many spices have antimicrobial properties which may explain their use in warmer climates and with meat. Some spices are also used for medicine, rituals, cosmetics, or perfumes. The document then lists various common spices and herbs and provides some details on their uses, properties, and health benefits.