In larger, data‑driven websites, these indexes become more sophisticated. A site might use a file called index.json as a registry of all states or regions within a country. This file acts as a master list, with each entry containing a unique ID and a link to a more detailed JSON file about that state. For example, a us/index.json file could list every U.S. state, and clicking on "Alaska" would load us/ak.json with its full data. This "index" is not a human‑readable list but a structured dataset that allows software to efficiently navigate and retrieve information about the "2 states" or any other subject.
Future research could:
The phrase primarily appears in Indian economic reports regarding the Consumer Price Index (CPI) for labor . Economic Context: CPI for Laborers index of 2 states