setting
time and place within a narrative, whether fiction or non-fiction
campaign setting
fictional world which serves as a setting for a role-playing game or wargame campaign
level
in a video game, space available to the player in completing an objective
retroactive continuity
revision of existing facts in fiction by succeeding work
interstellar war
warfare between combatants from different planetary systems
Sword Art Online setting
the setting of the Japanese light novel Sword Art Online