(i) Shops in our neighbourhood are useful for us in many ways.
(ii) They are near our home.
(iii) We can go there on any day of the week and at any time.
(iv) Usually the buyer and seller know each other.
(v) These shops also provide goods on credit.

The guard wanted to stop Kavita and Sujata from entering the shop because he might have thought that they belong to poor family and cannot afford the items kept in shop.
If anyone tries to stop me from entering a shop, I would speak up for my right and will stop that person from violating my dignity.

Our neighbourhood shops get their goods from wholesalers. e.g. nearby departmental store is a retailer who purchases its stock in bulk from the wholesaler.

People go to a weekly market because
Things are available at cheaper rates.
Almost all things are available at one place.
People have a choice while shopping in weekly markets.

Aftab is one of the wholesale trader of vegetables. He has a shop in the market where he stores the vegetables that he has bought and sells to hawkers and shopkeepers.

A weekly market is known as weekly for the reason that it is held on a particular day of the week. In India, there are thousands of such markets where people go for their daily requirements.
The weekly market has the following features
(i) It does not have a permanent shops.
(ii) Traders establish their shops for a single day and then close them up in the evening. They establish their shops next day somewhere else.
(iii) The things available in these markets are very cheap because the owners themselves manage the shop with the help of their family members.
(iv) They don't have their shops in permanent buildings where they have to pay rent, electricity, fees to the government and wages to their workers.
(v) These markets face competition as there are many shops of same kind. People buy from the shops which give them things at cheaper rates.

(i) There are different market places where people buy and sell a variety of goods and services.
(ii) All these markets are in a specific locality.
(iii) They work in a particular manner and time.
(iv) These days it is not always necessary to go to market to purchase goods.
(v) Orders can be placed for a variety of things through the phone and through the Internet.
(vi) Goods are delivered at the customer's home.
(vii) In clinics and nursing homes, sales representatives come to take order for supplying medicines.
(viii) Sales representatives are also engaged in the selling of goods. Thus, buying and selling of goods takes place in different ways.

(i) We can recognise markets easily.
(ii) There are also such markets that we do not know.
(iii) A large number of goods are bought and sold that we do not use directly.
Examples
(a) A farmer uses fertilizers to grow crops.
(b) He purchases them from special shops in the city.
(c) These shops get them from factories.
(iv) Likewise a car factory purchases engine, gears, petrol tanks, axles, wheels, etc. from various other factories.
(v) We do not usually see all the buying and selling of these ancillaries but only the final product-the car in the showroom.
(vi) The story is similar for any other good.