Formulaic language refers to sequences of words or expressions that are often used together in communication. These include idioms, collocations and fixed phrases. Unlike sentences created from scratch, these expressions are stored in our mental vocabulary and are retrieved as whole units rather than generated word by word. The use of formulaic language enhances fluency and efficiency in both spoken and written communication. It allows speakers to express complex ideas quickly and effortlessly. For language learners, acquiring these fixed expressions can greatly improve their proficiency and make their speech sound more natural. From a cognitive perspective, formulaic language illustrates how the brain can process language entirely, not just through rules and syntax but also through memorized patterns. This understanding supports more effective language teaching methods, emphasizing the importance of learning common phrases and expressions. The book aims to shed light on some of the unexplored aspects of formulaic language. The topics included in this book on fundamentals of formulaic language are of utmost significance and bound to provide incredible insights to readers. It will serve as a valuable source of reference for those interested in this field.