Final answer:
The term referring to online marketing, buying, selling, and servicing of products is c) e-commerce. This is part of the larger trend of new media, which involves electronic communication influencing business and media interaction.
Step-by-step explanation:
The term that refers to the marketing, buying, selling, and servicing of products over a network, usually the Internet, is e-commerce. E-commerce platforms have revolutionized the way businesses and consumers operate, allowing for transactions to be completed digitally and providing access to a global marketplace. This shift towards online commerce is a component of the larger phenomenon known as new media, which includes various forms of electronic communication and has reshaped how we interact with media and conduct business.