ちょうてん頂点chouten
1.
The highest point or peak of something, representing the uppermost position in a hierarchy or structure.
2.
A state that signifies the utmost limit or climax of a situation, where no further progression is possible.
3.
In geometry, the specific point where two lines intersect or where multiple edges of polygons or polyhedra converge.
Example:
経済は今景気循環の頂点にある。