HIERARCHICAL MODEL Meaning and
Definition
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A hierarchical model refers to an organizational or structural framework wherein entities or elements are systematically arranged in a hierarchical or tree-like structure, based on their level of importance, authority, or dependency. In this model, the entities are organized in a top-down manner, forming a natural hierarchy with multiple levels or layers.
Within a hierarchical model, each element known as a node or entity is connected to at least one other entity in an upward or downward relationship. The highest entity in the hierarchy is considered the root or parent node, while the subsequent entities below it are referred to as child nodes. These child nodes can further have their own child nodes, forming a branching structure.
The hierarchical model is extensively used across various domains, including organizational management, computer science, database systems, and information technology. It provides a clear representation of authority, power, control, and chain of command in an organization. For instance, in an organizational hierarchical model, the top-level executives or managers have superior authority and control over their subordinates.
In computer science and database systems, a hierarchical model presents a logical representation of data storage, where information is organized in a parent-child relationship. It allows for easy navigation and retrieval of data, as the hierarchy provides a clear path to locate specific information.
Overall, a hierarchical model offers a straightforward and efficient way to organize and understand complex systems by representing relationships and dependencies in a hierarchical manner.
Common Misspellings for HIERARCHICAL MODEL
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Etymology of HIERARCHICAL MODEL
The term "hierarchical model" combines two elements: "hierarchical" and "model".
1. "Hierarchical" originated from the Greek word "hierarchia", which meant "rule of a high priest" or "sacred ruler". It is a combination of "hieros" meaning "sacred" and "archein" meaning "to rule". Over time, "hierarchia" evolved to represent a system or structure where different levels of authority or importance are established. In modern usage, "hierarchical" describes a system organized in levels or layers, where each level has subordinates and superiors.
2. "Model" has its roots in the Latin word "modulus", which referred to a small measure or standard. It later evolved into the Middle French word "modelle" and entered the English language in the late 16th century.
