Meaning – The term point, refers to a measurement of the IBM list price of a product, originally equivalent to a monthly rental of one U.S. dollar.
The term point also refers to a unit of vertical measurement used in lettering. There are a total of approximately 72 (72.272) points in one inch or 2.54 cm. In the following example, you can see four examples of point sizes.
In typography, a point is about 1/72 of an inch and is used to measure the height of characters.
Example of usage – “An insertion point is the location on the screen where the next character typed will be inserted. This location may be in a text document, a form field, a Web browser address bar, or anywhere else on the screen that allows text input.”