Answering questions

Human language can not be defined but can be explained as a way of talking about humans.

We think in languages as we have an inner voice and that voice will speak in the language you are comfortable with

Yes, As to them they have different opinions on the world compared to someone who has not been in his position.

Human language is more complex as we have evolved over time while animals are still in basic instinct of eat, prey and survive. I would think so as they might have found a name for something that other languages haven't.

No, because nowadays it is used as a tool for communication and if there is a word needed to be created it will be created.

Language.

Order claims of the article "Through the language Glass: How Words Colour Your World By Guy Deutscher."

1st order claim:  One fact it claims is that ancient languages never had a word for blue.
2nd claim: He states that there are cultures that don't have a name for blue and in my opinion I believe it is doesn't matter as for them they do not need a word for the color blue because it doesn't affect there personal lives making it redundant.

1) I have learned that there are more than one way to communicate. What came to my mind is that would there be any wars if everyculture kept there language to themselves.

2) Language is a form of communication. It is important as some cultures actually use more body language than language. Yes we speak differently if we speak more than one as we adopt some words and shape a different accent.