As I have noted previously, internal factors resulting in the change of language over time include literacy rates (the percentage of the population who are fluent in the language, and can read and write), social mobility and interaction (the ability for members of society move up or down the levels of privilege within the society, and the amount of interaction between social groups), and formal authority structures (such…

Significant changes in a language typically result from influences which are internal (from inside the society which uses the language), and external (from outside the society).

Internal factors include literacy rates (the percentage of the population who…

The word 'metamorphosis' means 'change'; it's an English word taken from the Greek word μεταμόρφωσις, which literally means a change of shape. Metamorphosis is a key element of biological evolution, seen clearly in the change of animal species from one to another, sometimes with dramatic changes in shape.…