"교재" refers to educational materials used in teaching and learning. These materials can include textbooks, workbooks, and digital resources designed to support students in acquiring knowledge and skills in various subjects. They are often aligned with specific curricula and educational standards. In many educational settings, 교재 plays a crucial role in guiding lessons and assessments. Teachers select appropriate 교재 to enhance student engagement and understanding. Additionally, students use these materials to study independently, complete assignments, and prepare for exams, making them essential tools in the learning process.