Answer:
The sconce refers to the wall lights, this is light fixtures that appear on the wall, and provide lighting. They can be located inside and outside of the buildings, although their function is mainly decorative. The light goes upwards and the sconce also can hold a candle or a torch. It is mostly made of silver or brass.
Answer:
I think this is probably something you should answer on your own, since it's not multiple choice.
Explanation:
I'm not an expert, but my vague explanation is that world building is important because it might shape how the character acts. The author's work in that area makes the story more realistic and relatable, most likely. But I haven't been taught the lesson, so I'm probably not accurate.