E-commerce refers to the buying and selling of goods and services and the transfer of funds through digital channels like the internet. There are several types of e-commerce models including business-to-business (B2B), business-to-consumer (B2C), business-to-government (B2G), consumer-to-consumer (C2C), government-to-consumer (G2C), and government-to-business (G2B). The e-commerce process typically involves a consumer browsing a merchant's website, selecting items to purchase, providing payment and delivery details, receiving an order confirmation, and having the order processed and fulfilled.

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3. Commerce
 Commerce is a division of trade or production
which deals with the exchange the goods and
services from producer to final consumer.

4. E commerce
 E commerce stand for electronic commerce.
 Electronic commerce means buying, selling and
exchanging of products, services and information via
computer network,
 E commerce refer to the business over the internet.
Website eBuy.com Buy.com are the e commerce
sites.

5. Different types of e-commerce
 Business-to-Business(B2B)
 Business-to-Consumer(B2C)
 Business-to-government(B2G)
 Consumer-to-Consumer(C2C)
 Government-to-Consumer(G2C)
 Government-to-Business(G2B)

6. E-commerce vs. E-business
 We use to term e-business to refer primarily to the
digital enablement of transactions and processes
within a firm, involving information systems under the
control of the firm.
 E-commerce include commercial transactions
involving and exchange of value across organizational
boundaries.

8. Process of e-commerce
 A consumer uses Web browser to connect to the home
page of merchant’s web site on the internet.
 The consumer browses the catalog of products
featured on the sites and selects items to purchase.
The selected items are placed in the electronic
equivalent of a shopping cart.
 When the consumer is ready to complete the purchase
of selected items, she provides a bill-to an d ship-to
address for purchase and delivery.

9. Process of e-commerce
 When the credit card number is validated and order is
completed at the commerce service site, the
merchant’s site displays a receipt conforming the
customer purchase.
 The commerce service site then forwards the order to a
processing network for payment processing and
fulfilment.

10. What is B2B E-commerce?
 B2B e-commerce simply define as ecommerce
between companies. About 80% of e-commerce is
of this type.
 Example:
 Intel selling Microprocessor to Dell

12. What is B2C e-commerce?
 Business-to-consumer e-commerce, or commerce
between companies and consumers, involves
customers gathering information; purchasing physical
goods and receiving products over an electronic
network.
 Dell selling me a laptop

14. What is B2G e-commerce?
 Business-to-government e-commerce or B2G is
defined as commerce between companies and the
public sector. It refer to the use of the internet for
public procurement and licensing procedures and
government related operation.
 Example:
 Business pay taxes, file reports or sell goods and
services to the government .agencies.

16. What is c2c e-commerce?
 Consumer-to-consumer ecommerce or c2c is simply
commerce between private individuals or consumers.
 Example:
 Mary buying a iPod from Tom on eBuy.
 Me selling a car to my neighbour.

18. What is G2C e-commerce?
 This model is also a part of e-government.
 This objective of this model is to provide good and
effective services to each citizens.
 The government provide the following facilities to the
citizen through website.
 Information of all government department
 Different welfare scheme
 Different application form to be used by a citizen

20. What is G2B e-commerce?
 Government-to-Business is a business model that
refer to government to business organization.