This study guide is compiled in alphabetical order, with an emphasis on explaining over 570 terms that begin with 26 letters. This book provides a translation and explanation of the terms in 3 languages, as well as texts, interesting questions and answers, and puzzles. This makes it easier to understand legal terms in context. Also, tasks that develop oral, written, and reading skills based on educational materials focused on topics related to Civil Law provide students with the development of legal language skills in authentic and practical examples, allowing students to explore the complexity of legal language in various contexts. This study guide is recommended for publication based on the order of the Rector of Tashkent State University of Law No. 153 dated August 29, 2024 (registration number - 153-50).