⟩ Please tell me what are function points?
In order to express the amount of business functionality of an information system, a function point is used as a unit of measurement.
There is International Function Point Users Group in US based organization of users of the software metric Function Point Analysis
Every function point is a unit of measure used by IFPUG functional size measurement method.
The IFPUG FSM is one of the currently recognized standards of ISO for functionally sizing software.