oratory noun
refers to the ancient art of public speaking. public speaking is the process of speaking to a group of people in a structured, deliberate manner intended to inform, influence, or entertain the listeners. the purpose of public speaking can range from simply transmitting information, to motivating people to act, to simply telling a story. good orators should be able to change the emotions of their listeners, not just inform them.

commerce noun
comprises the trading of something of economic value such as goods, services, information, or money between two or more entities.