Herbs are plants valued for their aromatic, flavorful, or medicinal properties. They can be used fresh or dried in cooking, teas, and natural remedies. Common culinary herbs include basil, oregano, thyme, and parsley, while medicinal herbs like chamomile, peppermint, and echinacea are used for their health benefits. Herbs play a significant role in various cuisines and traditional medicine practices around the world.