In a world where a multilingual society has become a reality, we are facing a situation where the existing view of language is being forced to change. On the one hand, there is English, the language that dominates the world by far, and while on the other hand there are only a few speakers left. But is English, which we believe that dominate the world really a language in its own right? For example, in the language of downtown London, the arrival of many immigrants in the area has led to the emergence of a language that has some English elements, but which is also hard to describe. In a situation where there is so much ethnic mixing, various forms of intermediary languages are emerging, and the field of education, for example, is beginning to have to adapt to this. This lesson will introduce the view of language in the context of the multilingualism that is emerging in the new situation and which involves the dismantling of the concept of 'language'.