What is an example of an electronic delivery channel?

Using a telephone to place an order is an example of an electronic delivery channel because it incorporates electronic communication to facilitate a transaction or service request. The telephone allows for instant communication and interaction, which aligns with electronic delivery methods. This option utilizes technology to enable users to conduct business remotely, which is a defining characteristic of electronic channels in today's digital economy.

Other options, while they involve making payments or placing orders, do not leverage electronic means in the same way. For example, paying through cash in a store is a traditional face-to-face transaction that does not involve any electronic processes. Sending a check via mail also relies on a physical document transported through postal services, thus lacking the immediacy and efficiency of electronic channels. Investing in stocks physically suggests a direct action that does not incorporate electronic systems for trade execution or management.