Answer:
The purpose of the domain name is for credibility and location purposes.
Explanation:
For example.
nz.gov means that the domain owner is the government on New Zealend
Communication comes in lots of types, therefore, it also has lots of goals and purposes. One of the purpose of communication is to satisfy instrument goals. Instrument goals here refers to the goal that focuses on convincing others to act in an appropriate way. This is most applicable in situations when someone had to deal with others.
It depends on what you're researching for.
Because most people really don't want or need to see what's in there.
If you want to, open the door during the cycle. It won't harm anything.
If you're curious to see a dishwasher in action, some appliance showrooms have a display model, where the spray parts and the racks are in an entirely transparent box. They're to show how powerfully and completely the stuff inside will get cleaned, but you can also see how the dishwasher is intended to work, by filling with just a couple of inches of water, and then recirculating it for the duration of the cycle, to loosen the stuff on the dishes.