You don't care about how they (individual labels) relate to each-other. E.g. the "javascript" tag implies the "programming" tag. I can even speculate there pro

You don't care about how they (individual labels) relate to each-other. E.g. the "javascript" tag implies the "programming" tag. I can even speculate there probably is a trait (linguists may suggest) which applies to some programming languages as well as to some spoken languages. This way tagging arguably can become even harder than taxonomy. While a label is just a label. See also: https://news.ycombinator.com/item?id=33248391 https://news.ycombinator.com/item?id=33248391