① We have analyzed past exam questions in depth to help you understand the direction of the questions.
② [Supplementary Learning] and [Advanced Learning] were provided to enable learning for both beginners and advanced learners.
③ The sentences were written concisely so that they can be understood as easily as possible.
④ To help you understand basic concepts and terms, “check” is placed on the left and right of the textbook.
⑤ In the appendix, [Required Laws] and [Glossary of Terms] are included to help with understanding the terms.