Final answer:
E-commerce encompasses all activities in selling and buying products and services using computers and communication technologies. It is connected to M-commerce, Omnichannel retailing, and Digital marketing.
Step-by-step explanation:
E-commerce encompasses all the activities a company performs in selling and buying products and services using computers and communication technologies. With the development of the internet and communication technologies, consumers can now order products from anywhere in the world, increasing competition for local retail businesses.
This shift has also led to the rise of M-commerce, which refers to the buying and selling of goods and services using mobile devices. Together, these technologies have revolutionized digital marketing and omnichannel retailing, allowing companies to reach customers through multiple channels and create seamless shopping experiences across online and offline platforms.