Which statement best describes the term $"$e$-$commerce?"

Multiple Choice

It refers to the group of companies operated by the federal government that sells products free of cost$.$

It is a trade agreement entered into by the United States, Canada, and Mexico to help eliminate barriers to trade.

It refers to an entire spectrum of companies that market products and services on the Internet and through other technology.

It is a process by which employees are terminated or empty positions are left unfilled once someone leaves an organization.