1.We are able to recognize certain words used by people in other cultures.
2. Regardless of what happens in the world, there appear to be fixed rules that govern the way words alter over time.
3. Words that don’t follow a standard pattern will remain that way if they are used often.
4.Certain words have kept a similar sound across many years and many countries.
5. We focused on the historical changes that have occurred in one particular language.
