Communication includes advertising and dissemination of product and price information to prospective buyers as well as negotiation between customers and sellers to determine the price and conditions of the exchange.
Transaction comprises conclusion of the contract, product order and payment.
Physical channels can then provide the opportunity for a detailed observation and testing of products to determine the final item. This is just one example of a possible search process. Electronic channels may provide powerful search support tools. FastParts and GE s TPN provide good examples of business to business Electronic Commerce websites. See the reference list for URLs.