And in order to understand the implementation detail of framework API “FormatAmountShort”, we have to understand the definition of CLDR - Unicode Common Locale Data Repository.
The Unicode CLDR provides key building blocks for software to support the world’s languages, with the largest and most extensive standard repository of locale data available. This data is used by a wide spectrum of companies for their software internationalization and localization, adapting software to the conventions of different languages for such common software tasks. See one part of CLDR definition below from http://cldr.unicode.org/translation/number-patterns :
