Book excerpt: This book addresses a wide range of aspects of the study of language in a variety of domains such as cognition, change, acquisition, structure, philosophy, politics, and education. It offers a renewed discussion on normative understanding of these concepts and opens up avenues for a fresh look at these concepts. Each contribution in this book captures a wide range of perspectives and underlines the vigorous role of language, which happens to be central to the arguments contained therein. The uniqueness of this book lies in the fact that it presents simplified perspective on various complex aspects of language. It addresses a wide range of audiences, who do not necessarily need to have a technical background in linguistics. It focuses on complex relations between language and cognition, politics, education to name a few with reference to cognition, change, and acquisition. This book is for researchers with an interest in the field of language studies, applied linguistics, and socio-linguistics.