Concepts are abstract ideas that appear in speech or thought and are the cornerstone of our cognition and understanding of the world. In the IBDP Theory of Knowledge (TOK) course, concepts are regarded as key tools for interdisciplinary learning and for exploring the nature of knowledge. This book provides detailed interpretation and analysis of 286 selected terms concerning the 12 core concepts of the TOK course as well as each theme and area of knowledge, aiming to help learners deepen their understanding of important terms and accurately grasp the key points of each learning unit. · Targetedness: It provides a theoretical foundation for the TOK essay and exhibition, helping learners understand relevant knowledge questions. · Flexibility: Centered on the core goals of TOK, it encourages learners to take concepts as a starting point to achieve the transfer and application of knowledge. 概念是出现在言语或思考中的抽象观念，是我们认知和理解世界的基石。在IBDP认识论(TOK)课程中，概念被视为跨学科学习和探索知识本质的关键工具。本书针对TOK课的12个核心概念及每个主题和知识领域，精选286条术语知识进行详尽的解读和分析，旨在帮助学习者深化对重要术语的理解，精准把握学习单元的关键点。 针对性:为TOK课程论文和成果展提供理论基础，助力学习者理解相关知识问题。 灵活性:围绕TOK的核心目标，鼓励学习者以概念为起点，实现知识的迁移应用。