👉 The term "hierarchical" refers to a system where information is organized into hierarchical levels, with each level deeper and more complex than the previous one. This concept is often used in computer science, particularly in software systems, where it describes how data is stored and processed. For example, a hierarchical database might be structured as follows: ``` | | 1 | 2 | |---|-----|------| | | 3 | 4 | This hierarchy