In general it means to conduct transactions online. It is considered a technological term because any kind of commerce conducted online requires a technological application behind it. From a marketing point-of-view, commerce is discussed with reference to the three big C's: content, commerce, and community. These are thought to be the three components driving the new economy.

Note: it's considered "Net Technology" because commerce conducted online requires this kind of technology.

See also : e-commerce  commerce server  
NetLingo Classification: Net Technology