Their relationship is not fixed, but generally share a common diegetic world.

Answer: There are specific laws in place that do not allow this type of information to be shared with the "common world."

"You mean, there are common worlds, that everyone can visit?"

One day, for a terrible reason, he leaves Tianyong and goes into the common world.

The books are only united by the common world and the scope of problems.

And then again like a mist it began to break to let through the common, barren world.

On the contrary, Marx thought that the "truth is not outside the affairs of men and their common world but precisely in them."

In the common world of fact the wicked were not punished, nor the good rewarded.

There were precious few who could accept what was not of the common world.

He knew her only slightly in the common world, and she was at least fifteen years his senior.