In terms that are more common, we can refer eCommerce as the platform for buying and selling of products and services through business and services over internet. In a simplest form people use this term as online shopping. Both the terms means one and the same thing.
RAM is the most common type of memory found in computers and other devices, such as printers. RAM is an acronym for random access memory, a type of computer memory that can be accessed randomly. In common usage.