This is an fundamentally important concept to understand if one is to conpletely free consciousness from outside control. Since I’ve realized the importance of language as symbol, I take the time to study the etymology, to get a real feel for the intent behind a word. Etymology reveals many secrets hidden in plain sight, such as this:
http://omnithought.org/occult-definition-mortgage-why-you-should-never-get-mortgage/1853
Then you go one step further into gematria, which unlocks a whole other level of meaning.
This book, for example, goes into these deeper levels of correspondences:
https://archive.org/details/TheLanguageCrystal