Though many of us may indeed share a common tongue, perhaps even two or three, each of us uses these toolboxes in our own, personal way. A way that is constantly in flux.
Fluctuating from the inside, ideally, but it can be imposed upon by various forces.
When we think, our mind must fabricate then it must translate that fabrication into language. When we speak, we must in turn mold and shape thought into a common middleground which is then subject to interpretation upon which people generally reflect and can be shifted in their own minds such that they now perceive differently and thus interpret differently than they once had before.
If done constructively, this is generally called teaching (if external) or learning (internally). Destructively, it can be called brainwashing.
Sometimes it is more innocent but it is often manipulated by various people for various ends.
One must fortify one's own interpretations based upon personal experience and ideally critical thinking.
Also, One must realize the limitations of language as well as the limitations of interpretation before one can begin to cultivate what may someday become an 'enlightened' perspective that is to say the mind of the Sage; the Shaman. The Teacher. The Student. The Buddha. (To be continued)