1.
worldview, view of the world
A comprehensive philosophy or outlook on the world and one's place in it.
2.
world-setting, fictional universe
The overall atmosphere, rules, and setting of a creative work such as a novel, game, anime, or film. Very commonly used in discussions of fiction and media in Japanese.
世界観 has two distinct uses in modern Japanese.
Sense 1 (philosophical worldview) is the original meaning, corresponding to the German "Weltanschauung."
Sense 2 (fictional world-setting) is extremely common in pop culture discussions. When fans talk about a game, anime, or novel's 世界観, they mean its atmosphere, rules, lore, and overall creative vision.
Common collocations
Related Words
Related:
価値観 (sense of values, values)
Compare:
人生観 (view of life)
Related:
死生観 (view of life and death)
Related:
自然観 (view of nature)
Related:
宇宙観 (view of the universe)