Thedefinitionofe-commerceE-commercereferstothebusinessactivitiescenteredontheinformationnetworktechnology.CanalsobeunderstoodastheInternet(Internet),theIntranet(Intranet)andvalue-addedNetwork(VAN,ValueAddedNetwork)ontradingactivitiesbywayofelectronictradingandrelevantserviceactivities,isthetraditionalcommercialactivityeachlinkoftheelectronicandNetwork.Hereisalookatthedefinitionofe-commerce,andwelcometoread!Thedefinitionofe-commerceDefinition1:TheChinesee-commercebluebook:iXtI'sannualreportsayse-commercereferstobusinesstransactionsdonethroughtheInternet.Transactionscanbedividedintocommoditiestradingandservicetransactions.Transactionsarethetranslocationsofcurrenciesandcommodities.Transactionsshouldbesupportedbyinformationflows,capitalflows,andlogistics.Definition2:ElectroniccommerceassociationofCanadatotheelectroniccommerceisdefinedas:e-commerceisthebuyingandsellingofgoodsandservicesthroughthedigitalcommunicationandthetransferoffunds,butalsobetweencompaniesandwithinthecompanyusingE-mail,filetransfer,fax,electronicdatainterchange(EDI,videoconference,remotecomputerconnectedtotheInternetcanachieveallofthefeatures(suchasmarketing,financialsettlement,saleandbusinessnegotiation).Definition3:TheU.S.governmentinitsglobale-commerceoutline,inthemoregeneralpointsout:e-commercereferstothevariousbusinessactivitiesthroughtheInternet.Include:advertising,transaction,payment,serviceandotheractivities,theglobalelectroniccommercewillbeinvolvedincountriesaroundtheworld.Definition4:EconomiccommissionforEuropeintheBelgiancapitalheldplenarymeetingoftheglobalinformationsocietystandardclothPurcell.Clearlyputforwardthedefinitionofelectroniccommerce:electroniccommerceiselectronicallybetweenthepartiesratherthanphysicalexchangeordirectphysicalcontactTypeinanyformofbusinesstransaction.TheelectronicmeansincludingEDI,electronicpayment,electronicordersystem,E-mail,fax,Internet,electronicbulletinboardsystem,barcode,imageprocessing,smartcard,etc.Definition5:TheWorldTradeOrganization(WorldTradeOrganization,theWTO)believethate-commerceiselectronicallyfortheproduction,salesofgoodsandservicesclients,tradingandtransfer.ThisdefinitionofreviewrelatedtoTradeisthefoundationofe-commerce,thatisinheritedtheGATT(GeneralAgreementonTariffsandTrade,GATT)frameworkofthemultilateraltradingsystem.Thedefinitionofe-commerceDefinition6:IBMputforwardadefinitionformulaofe-commerce,theelectroniccommerceWeb+2IT.TheemphasisofITisinthecommercialapplicationofnetworkcomputingenvironment,isthebuyer,seller,manufactureranditspartnersintheInternet(Internet),IntranetIntrnet)andExtranet(Extranet)combinedapplication.