Yes because a model is a statement of what a system is
# Should an economic model describe reality exactly?
A model is typically used to describe a representation of a thing or system. Models are simplified versions of the actual thing or system, designed to help understand, analyze, or make predictions about it.
Waterfall Model
Waterfall is a system development life cycle
A system model is the model that is based on concepts that represent and describe a system. Systems compromise more than one view including structure, design, implementation, and input data.
Absolutely not.
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