How could the content be improved?

This is a general question, inquiring what the purpose of the glossary is. As a new R learner, I wanted to get some easy to reference definitions of terms specific to R, like vector, factor, tibble, etc. Most of the terms in the glossary seem to be more general terms in the field of computer programming, like argument, assign, comment. It would be useful to me as a new learner to include definitions of R specific terms.

Which part of the content does your suggestion apply to?

https://swcarpentry.github.io/r-novice-gapminder/reference.html#glossary