From the US military occupation of Okinawa
The sufix is "able" it means like ,fit for this, given to. hope this helps.
this happens because of the reflection of light that comes from the sun. remember that the earth,sun and moon all orbit
It influences a lot because, as the story is evolving so is the setting.
It matters because, without setting there's no story.
I believe that setting is the most important part of a story because, it tells u many things..
For Example :
TIME /PLACE /BACKGROUND OF STORY /AND WHERE SOMETHING TAKES PLACE..
in the house, park, pools, hotels, movies, Etc....