The geometric term for the tip of a pen is a "point." In geometry, a point is a location in space that has no size or dimensions, represented by a dot. It is the most fundamental element in geometry and serves as the building block for all geometric shapes and figures.
This could vary depending on the pen, but it would most likely be a right, circular cone, frequently with the tip removed.
Point
a point, dot, hole, vagina you can use any of those 4
A point.
It is the apex or vertex
This could vary depending on the pen, but it would most likely be a right, circular cone, frequently with the tip removed.
A sphere perhaps
Point
A point
Point
Well it depends on the type of pen, for most pens it is called a ball point because there is a little ball at the tip of the pen.
feutre\ means felt tip pen
a point, dot, hole, vagina you can use any of those 4
a point, dot, hole, vagina you can use any of those 4
a point, dot, hole, vagina you can use any of those 4
the felt tip pen was invented in the 1940s
the end of the pen that is the smallest