I hate to break it to you but natural spoken language is not a fixed concept, words can have many meanings and interpretations, and those meanings and interpret

I hate to break it to you but natural spoken language is not a fixed concept, words can have many meanings and interpretations, and those meanings and interpretations can mean different things to different people at different times. Because you predominantly think of indexing as the first definition as shown here[1], does not mean everyone else does. Be careful when using absolutes, especially when talking about languages. [1] - https://www.merriam-webster.com/dictionary/index https://www.merriam-webster.com/dictionary/index