→ Online shopping is a form of ​ electronic commerce​ which allows consumers to directly buy goods or services from a seller over the Internet using a web browser.
→ Consumers find a product of interest by visiting the website of the retailer directly or by searching among alternative vendors using a shopping search engine, which displays the same product's availability and pricing at different e-retailers.

E-Banking uses electronic means to transfer funds directly from one account to another rather than by cheque or cash.
E-banking (or) Online banking (or) internet banking:
It is an electronic payment system that enables customers of a bank or other financial institution to conduct a range of financial transactions through the financial institution's website. The online banking system will typically connect to or be part of the core banking system operated by a bank and is in contrast to branch banking which was the traditional way customers accessed banking services.

ANSI X.12: Chartered by ANSI (the American National Standards Institute) the Accredited Standards Committee (ASC) X12 develops, maintains, interprets, publishes and promotes the proper use of Electronic Data Interchange Standards. The ASC X12 standard has become the de-facto standard of choice for US based EDI operations.