The point of sale (POS) or point of purchase (POP) is the time and place where a retail transaction is completed.

At the point of sale, the merchant would calculate the amount owed by the customer and indicate the amount, and may prepare an invoice for the customer (which may be a cash register printout), and indicate the options for the customer to make payment.

It is also the point at which a customer makes a payment to the merchant in exchange for goods or after provision of a service.

After receiving payment, the merchant may issue a receipt for the transaction, which is usually printed, but is increasingly being dispensed with or sent electronically.

is the Japanese preparation and serving of cooked combined with varied, chiefly seafood, vegetables, meat (usually fish), and occasionally tropical fruits.

Styles of sushi and its presentation vary widely, but the key ingredient in all cases is the rice, also referred to as or.

Chinese cuisine is an important part of Chinese culture, which includes cuisines originating from the diverse regions of China, as well as from Chinese people in other parts of the world.

Because of Chinese diaspora, Chinese cuisine has influenced many other cuisines in Asia, and evolved into a new Chinese/American cuisine separate from that of China and the rest of Asia.

A buffet (in the UK, in the US, from) is a system of serving meals in which food is placed in a public area where the diners generally serve themselves.

Buffets are offered at various places including hotels, restaurants and many social events.

Buffet restaurants normally offer all-you-can-eat (AYCE) food for a set price.

Buffets usually have some hot dishes, so the term cold buffet (see Smörgåsbord) has been developed to describe formats lacking hot food.

Hot or cold buffets usually involve dishware and utensils, but a finger buffet is an array of foods that are designed to be small and easily consumed only by hand, including cupcakes, slices of pizza, foods on cocktail sticks, etc.

Pizza is a yeasted flatbread generally topped with tomato sauce and cheese and baked in an oven.

It is commonly topped with a selection of meats, vegetables and condiments.

The term was first recorded in the 10th century, in a Latin manuscript from Gaeta in Central Italy.

The modern pizza was invented in Naples, Italy, and the dish and its variants have since become popular and common in many areas of the world.