This is an open area of country with a low number of people, or low population density, living there.

Rural

Explanation:

An open area with a low number of people, or a low population density is considered a rural area. A rural area can have several significant differences when compared to an urban area. Urban areas tend to have a larger population of young people. They also tend to have more people involved in technological and financial industries. On the other hand, rural areas are often involved in agriculture and other similar practices.

what the first or next guy says

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict