Which of the following is the best definition for the term "model"?

The best definition of the term "model" is that it is an abstract representation of some system that eliminates unnecessary details. This definition captures the essence of what models do in engineering and scientific contexts. Models serve as simplified versions of reality that allow us to analyze, understand, and predict the behavior of complex systems without needing to account for every single detail. By focusing on the essential features and relationships within a system, models facilitate problem-solving and decision-making.

For example, in engineering design, a model might represent the structural properties of a bridge without detailing every bolt or rivet. This abstraction enables engineers to assess the performance and safety of the bridge more efficiently. Additionally, models can take various forms, including mathematical equations, physical prototypes, or even conceptual frameworks, but the underlying principle remains the same: to provide clarity and insight into a system by concentrating on its most critical aspects.