• In a simple definition, e-commerce can conduct any business and commerce through Internet.
• In a more precise definition, Electronic Commerce (electronic marketing), consists of the buying and selling of products or services over electronic systems such as the Internet and other computer networks

E-commerce needs:

• A banking system with accurate mental
• Customs, taxation and Banking regulations
• Product commercial code
• Preparing the financial information system and legal system information (Copy right)
• Information Security
• Privacy Statement
• Adapt national regulations with international regulations uniformity
• Working with universities, research centers and various organizations
• Accepting electronic documents by the Judiciary
• Provision, issuing and using credit card
• Supply lines and a platform-speed and reliable telecommunication

E-commerce Types:

• Consumer to Consumer trade (C2C ):
  • Bid and tender types of goods is placed through the Internet. Sample of this type of e-commerce site can be seen at EBay.
• Business to Administration (B2A ):
  • This business are including all financial and commercial activities between companies and governmental organizations.
  • The government needs to pay by companies and Toll bar can include in this group.
• Consumer to Administration (C2A):
  • This group has not yet appeared, but interactions to pay income tax on individuals and business affairs of any work between the government and the people is placed in this group.
• Government to Government (G2G):
  • This business type is used for transactions and contracts between the two countries . For instance, two countries or two public institution use this service to discourage export and import contracts. This type includes other business such as : Government To Citizen (G2C)
• Government to Business (G2B)
• Government to Employee (G2E)
  • E-Government must first be implemented for using GRG, G2B and G2E services.
• PEER TO PEER (P2P)
  • P2P e-commerce model is the service for the pony auction participants, PAYPAL is the most famous vendor in this service. P2P in the context of business, work directly with the people they can exchange their money. Trade share of the money transfuse face of responsibility, in this business type people can directly exchange the money to trade.