1.在地理位置上主要是以波兰、捷克、匈牙利等中欧国家一线为界；
2.在政治上西方国家主要是指美国、西欧、日本、加拿大、澳大利亚、新西兰等发达资本主义国家；
3.西方国家即发达的资本主义国家，这是一个政治概念而不是地理概念；
4.最初源于毛泽东划分三个世界的战略思想，第一世界，指美国和苏联两个拥有最强的军事和经济力量，在世界范围推行霸权主义的超级大国；第三世界，指亚洲、非洲、拉丁美洲和其他地区的发展中国家；第二世界，指处于这两者之间的发达国家。
后来把美国和其他发达资本主义国家统称为西方国家，其中包括日本。
A typical Western lunch usually consists of a main dish, a side dish, and a drink. The main dish can be a sandwich, salad, or a hot meal such as pasta or pizza. The side dish can be a variety of options, such as chips, fruit, or vegetables. The drink can be water, soda, or juice.
Salads are also popular choices for lunch. They can be made with a variety of ingredients, such as lettuce, tomatoes, cucumbers, onions, and cheese. Dressings can be added to enhance the flavor of the salad.
Sandwiches are a convenient and popular option for lunch. They can be made with a variety of breads, such as white bread, whole wheat bread, or ciabatta. Fillings can include meat, cheese, vegetables, and spreads.
Hot meals, such as pasta or pizza, are also common choices for lunch. Pasta can be served with a variety of sauces, such as tomato sauce, Alfredo sauce, or pesto sauce. Pizza can be topped with a variety of ingredients, such as cheese, pepperoni, mushrooms, and onions.
In conclusion, Western lunch offers a variety of options to suit different tastes and preferences. Whether you prefer a sandwich, salad, or hot meal, there is something for everyone to enjoy.