Without learning communication study language can't be perfect .Hence one should study communication to acquire language in order to get proficiency in any language.
When studying communication studies, that is still not a guarantee that one will attain a high proficiency in a second language. Second, and more important in my opinion, is the person studying to acquire the language, must study the culture as all people do not communicate the same from one culture to another.
This is why there are PhD level Linguistic Anthropology programs --
being familiar with technical communication I clearly say that language is a part of communication. There is the OSI reference model for communication defining 7 layers of communication starting with physical layer (1) (signalling, (de-)modulation, ...) over data link layer (2) (medium access, ...) up to application layer (7). In this context language is assigned to presentation layer (layer 6).
Looking to human communication there is analog and digital communication (see Paul Watzlawick), where only digital communication is based on language.
Language is an enabler to model reality while communication is information exchange. They are independent from each other.
Language is part of communication. Teachers shouldn’t be there to “teach” you the language. They should be there to increase your passion for it and to help you learn it. Communication is extremely important when learning a new language. So today, we’re going to discuss all about communication, and help you to conquer your fear. There are many people who believe that it’s necessary to study for a long time before one is ready to speak. But this isn’t true. It is far too common for people to begin by studying the grammar and the structure of the language—all of the rules—but they hardly speak
Communication and language both are independent from each other. One can communicate without learning any language with some difficulty.But language can make ones communication effective and more meaningful. So language learning is a part of communication and skills should be added to refine and polish.