What are the different ways in which a city can be defined?

How do i use this to get the right answer

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

Which theoretical perspective would lead you to consider the broader social effects of the division of labor between men and women in the household? symbolic interactionism queer theory conflict theory structural functionalism