きょうかい境界kyoukai
1.
A demarcation that separates two distinct areas, often indicating a physical or conceptual limit between them.
2.
A state of existence or a condition defined by the circumstances encountered, often seen as predetermined and unchangeable by one's will.
3.
The specific context or environment that influences an individual's experiences and perceptions, often shaped by factors beyond their control.
4.
A threshold or limit that delineates different domains, whether in land, concepts, or experiences, serving as a barrier or a transition point.
5.
The range within which one's influence or power is acknowledged, suggesting a form of personal jurisdiction or the extent of one's capabilities.
Example:
彼らは境界を越えてスペインに入った。