Introduction

During the past decades, scientist have wondered how do we (as humans) learn a language. Many researches had shown that in fact, we have diferent stages in which we start processing the sound, then when we get a little older we start learning complex words. This article will explain the Adquisition language theory, but first comes, what is language?, and finally some exmaples to understand the complex process that humans passed in a way of learning how to talk and write.