1. E-commerce is conducted using a variety of applications, such as email, online catalogs, shopping carts, Web stores, and marketplaces. Most businesses also use electronic data interchange to exchange business documents with other companies.

B2C (Business-to-Consumer)

B2C is the process of selling products or services directly from a business to consumers through an online channel. B2C businesses can be either pure-play online businesses or brick-and-mortar businesses that sell products or services online. Some of the most common B2C businesses are online retailers, travel websites, and subscription services.

B2B (Business-to-Business)

B2B is the process of selling products or services from one business to another. B2B businesses can be either pure-play online businesses or brick-and-mortar businesses that sell products or services online. Some of the most common B2B businesses are business-to-business marketplaces, wholesalers, and manufacturers.

C2C (Consumer-Consumer)

Electronic commerce is conducted using a variety of applications, such as email, online catalogs, shopping carts, EDI, web services, and mobile devices. This type of commerce is usually supported by enterprise resource planning systems.

F-commerce

F-commerce is a new form of e-commerce, whereby transactions are conducted solely through social networking sites such as Facebook. The term was coined by Justin Smith, the editor-in-chief of Inside Facebook. F-commerce represents a shift in the way companies interact with their customers, as well as a new way for companies to sells their products and services.

G-commerce

G-commerce is a new way of conducting e-commerce, whereby transactions are conducted through the use of Google tools such as Google Checkout, Google Wallet, and Google+

H-commerce

H-commerce is a new way of conducting e-commerce, whereby transactions are conducted through the use of mobile devices such as smartphones and tablets.

E-commerce

E-commerce is the activity of buying or selling of products on online services or over the Internet. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, inventory management systems, and automated data collection systems.

Product
A product is anything that can be offered to a market that might satisfy a want or need. In marketing, a product is an object or system made available for consumer use; it is anything that can be offered to a market to satisfy the desire or need of a customer.

A product can be a service, an item, a system, or anything else that can be presented to a potential customer for meeting their need.