: It encourages "extensive reading," a method shown to help students build better vocabulary, grasp grammar more naturally, and develop "flexible thinking" by viewing subjects from multiple cultural or historical perspectives.
: These texts are designed for students to explore independently to broaden their knowledge beyond the core syllabus.
In Vietnamese textbooks ( Sách giáo khoa ), "Đọc thêm" refers to specific sections or literary works that are part of the curriculum but not taught in detail in class.