What does the term "demand relationship" mean? How does price affect demand?

Demand, means to want.

Explanation:

There is two things to keep in mind, Demand and Supply. When supply is high the price gets lower, and the demand for that product also gets lower. If the supply is low in a product, the demand increases, aswell as the price. I hope this helps you.

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.