boundary
Definition
A line or border that marks the limits of an area or concept.
日本語 領域や概念の限界を示す線や境界
Example
"The river serves as the boundary between the two states."
A line or border that marks the limits of an area or concept.
日本語 領域や概念の限界を示す線や境界
"The river serves as the boundary between the two states."