On a parabola the extreme point which is the highest lowest or farthest point left or right is called a..?

The extreme point on a parabola, which is either the highest or lowest point, is called the vertex. If the parabola opens upwards, the vertex represents the minimum point, while if it opens downwards, it represents the maximum point. The vertex is a key feature in the graph of a parabola, determining its orientation and position.