Backdrop setting is when the setting is unimportant for the story and the story could take place in any setting. Winnie-the-Pooh by A. A. Milne is an example of a story in which could happen in any setting. Integral setting is when the action, character, or theme are influenced by the time and place, setting.
Mary hears a story... she has not been seen in over 10 years. She lets her cousin know there is a secret garden. He wants to live forever then...
1: a state formally cooperating with another for a military or other purpose.
2: combine or unite a resource or commodity with (another) for mutual benefit.
those are two defintions
source of info Goo_gle