All four items - Nutmeg, Capers, Fenugreek, and Star anise - are well-known spices used in cooking various cuisines worldwide. Nutmeg is a warm spice from Indonesia, capers are pickled flower buds used in Mediterranean cuisine, fenugreek is used in Indian and Middle Eastern cooking, and star anise is a star-shaped spice used in Chinese and Vietnamese cuisine. Chinese dishes, paintings, and rivers are unrelated to these culinary items.