Explore the essence of Accounting Theory — a system of foundational principles and assumptions that guide how accountants record, interpret, and report financial information. This theory provides the rationale behind accounting rules, helps justify choices among alternative methods, and ensures consistency and comparability in reporting. Whether you’re a student, practitioner, or researcher, understanding accounting theory deepens your insight into why certain practices exist, how standards evolve, and how future changes may impact accounting. This article breaks down the key definitions, major models, strengths, limitations, and real-world applications of accounting theory.