Theoretical Aspects of Language, written by L. In. Putilin, is a deep and multifaceted study that immerses the reader in the fascinating world of language theory. This work will be a real find for students, teachers, as well as anyone interested in linguistics, philology and philosophy of language. In his book Putilin analyzes the basic concepts and approaches to the study of language, considering it as a complex and dynamic phenomenon that not only reflects, but also forms reality. The author raises important questions about the nature of language, its structure and functions, and how language interacts with thinking and culture. The reader will be able to learn about various theoretical models, such as structuralism, post-structuralism and cognitive linguistics, and understand how they affect our perception of language and its use. The book will be of interest not only to specialists in the field of linguistics, but also to a wide audience, including students of humanities faculties, teachers and everyone who seeks to understand more deeply how the language works. It can be a useful tool for those who study foreign languages, because understanding the theoretical foundations of the language contributes to more effective mastery of it. One of the key topics that Putilin raises is the relationship between language and thinking. It explores how language structures can influence cognitive processes, shaping our perception of the world. This opens new horizons for understanding how language not only conveys information, but also creates cultural and social contexts. The reader will be able to think about how language affects our perception of reality, and how, in turn, cultural characteristics shape language norms. Putilin's style is clear and accessible, which makes his ideas understandable even for those who are just beginning to get acquainted with linguistics. The author skillfully combines theoretical calculations with practical examples, which allows the reader not only to assimilate information, but also to apply it in his practice. In this regard, his book can be compared with other well-known works in the field of linguistics, such as Noam Chomsky's "Language and Thinking" or Tony Wilkes' "Cognitive Linguistics" . The book "Theoretical aspects of language" also touches on topical issues of our time, such as the impact of technology on language and communication. Putilin analyzes how the Internet and social networks change the ways of communication and perception of language, which makes his work especially relevant in the era of digitalization. Thus, “Theoretical aspects of language” is not just a scientific study, but an exciting journey into the world of language, which makes you think about its role in our lives. This work will be a valuable contribution to the library of everyone who is interested in the language and its theoretical foundations. If you are looking for a book that will help you better understand the language and its diversity, then the work of L. In. Putilina is exactly what you need. Do not miss the opportunity to discover a new facet of linguistics and expand your horizons!