In classical geometry, a point is an entity that has no extent.
In the modern set theoretic approach to topology, this is formalised as: a point in a spaceX is simply an element of the set X.
... from 45 to 64, and 11.8% who are 65 years of age or older. The median age is 37 years. For every 100 females there are 95.2 males. For every 100 females age 18 and over, ...