What does the Internet channel mean?

1. Supply channel: "Commodity channel, which can be B2B or trading post, which is the so-called online supply". \x0d\2。 Sales channel: "It can be B2B, B2C or C2C, which is usually the most common sales channel". \x0d\3。 Promotion channels: "The Internet is the carrier, and a large amount of information or commodities need to be publicized and promoted on the Internet, and various promotion channels are promotion channels".