Biological Rules & Language Thinking
Language is generated by thought.
Linguists call the process that transforms thoughts into verbal expression generative or transformational grammar. It differs considerably from written grammar.
Animals think. Thinking is a function of mobility. No species survives moving at random. As the choices of reacting to circumstance increase, so does the faculty of thinking.
Animals can communicate with a signal system, but even the most extensive of these come nowhere near the power of language. Animals have no language and are therefore not aware of their thoughts. Language allows us to access our thoughts. No language, no CONSCIOUS thought, that is to say, no language thinking.
The process of generating verbal expression follows a biological grammar hard-wired into our neural construction. These biological rules apply to all human languages, but the sounds can vary as well as alternative methods of applying the basic rules. This results in different languages.
Regardless of the language, they all say something (a verb phrase) about something (a noun phrase). Different languages employ different methods for packaging the phrases, connecting them and placing them in relation to one another.
Language capability is a Homo sapiens attribute. Any human language can express any thought. There is no such thing as a primitive or advanced language, no more than there is a primitive or advanced method of walking.
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The comments section eagerly awaits your opinions and questions.
“A language’s pride in its many words is like a fat man’s pride in his weight.”
Dartwill Aquila
(Tomorrow: The Main Rule of Written Language)
System Humanity 
Animals and insects also live in communities. There is no need to explain. If you you have seen wild life and nature films or observed how insects and animals conduct themselves, you will come to the conclusion that trhey communicate with one another. The heiarchy and co-operation in the building of an anthill is amazing. The height of the anthill compared to the height of the ant built without scaffolding and cranes etc. The chemical factory underground etc. requires communication which is language – not of sounds and rules of grammar like human language but language nevertheless.
What may be shocking. and amazing to the ignorant is that the Holy Quraan mentioned that animals and insect lives in communities and communicate over 1400 years ago.
Do not depart from this world in ignorance. Read the holy Quraan for knowledge. Prof Steptoe ( the father of the test tube baby) said that if he was stranded on an uninhabitated island and if he had the choice of only having one book , he would choose the Quraan because that book has knowledge in it.
I’m impressed with the communication capacity of animals using signal systems. But if you claim that this is the same thing as a language, please refer me to one of the books these animals have written so that I can inspect the “language” a little better.