Definitions
1.NounA point in a convex set which does not lie in any open line segment joining two points in the set.
2.NounThe maximum or minimum of a function.
3.NounA leaf vertex of a tree data structure.
4.NounA point that is physically located farthest in the direction of the edge of something.
5.NounA standpoint that goes farthest in some dimension or on some criterion.