Points are usually labeled as: numbers capital letters lower case letters roman numerals none of the above

Answer : Roman Numerals.

Explanation : The points are usually labeled in many ways; But the best and most widely used way for writing points they are labeled in roman numerals.

Although it varies with every individual what kind of labeling of points they wish to use. There can be numbers used to define the different points. But, amongst most of the available choices highly used one is writing in roman numerals.

it will increase due to the time span