This looks like a fun visualization of various NLP techniques to parse sentences, but as far as I understand, only the tokenization is relevant to LLMs. Perhaps it's just mis-titled?
I actually worked on a similar tree viewer as part of an NLP project back in 2005, in college, but that was for rule-based machine translation systems. Chapter 4 in the final report: https://www.researchgate.net/profile/Declan-Groves/publicati...