A typical Japanese lunch box, or bento box, consists of a well-balanced and visually appealing combination of various components, showcasing the diversity and flavors of Japanese cuisine. While the exact contents may vary depending on personal preferences, regional traditions, and dietary needs, some common components often found in a Japanese bento box include:

1. Rice: A staple in Japanese cuisine, steamed white rice is usually the foundation of the bento box. Sometimes, rice is shaped into onigiri (rice balls) with fillings like pickled plum (umeboshi), salmon, or seasoned seaweed (nori).

2. Protein: A main dish featuring protein is an essential component of the bento box. It can be grilled fish, teriyaki chicken, simmered pork, or marinated tofu, among others.

3. Side Dishes: A variety of side dishes add color and texture to the bento box. Common choices include vegetable stir-fries, simmered or pickled vegetables (tsukemono), and tempura.

4. Tamagoyaki: Japanese rolled omelet, seasoned with soy sauce, sugar, and sometimes dashi (Japanese broth). It's a popular bento box item due to its delicious taste and visual appeal.

5. Sushi or Sashimi: In some bento boxes, a selection of sushi rolls or slices of raw fish (sashimi) may be included, especially in special occasions or when the bento is bought from a sushi shop.

6. Salads: Fresh green salads with Japanese-style dressings, such as sesame or ponzu dressing, are often added for a refreshing touch.

7. Nimono: These are simmered dishes, such as braised vegetables or meat, which add a comforting and savory element to the bento box.

8. Fruits: Sliced fruits, like apple, orange, or strawberries, are commonly included for a sweet and refreshing ending to the meal.

9. Desserts: Sometimes, a small dessert like a sweet mochi, a piece of wagashi (traditional Japanese confectionery), or a small slice of cake may be added as a treat.

10. Garnishes: To enhance the visual appeal, garnishes like pickled ginger, sesame seeds, or edible flowers may be sprinkled on top of the dishes.

The art of bento making lies not only in the delicious taste but also in the thoughtful arrangement and presentation of the different components, creating a visually pleasing and appetizing meal. The variety of choices and the balance of flavors reflect the culinary creativity and cultural significance of the Japanese bento box.