Accepted Answer
The underlying principle, or base, of a concept is called the: framework.What is a model?A model can be defined as any creation of a physical object either from kits, components or other applicable materials that are acquired by the builder, constructor, engineer or designer, in order to simulate a phenomenon or process, as well as predicting how a particular solution would respond.This ultimately implies that, a model is always probabilistic in its nature rather than being perfect, in order to effectively illustrate and describe the relationship that is existing between the dependent variable and an independent variable.In Engineering and other field of science, a framework simply refers to an underlying principle, foundation, or base, of a model or concept which serves as the focal point.Read more on models here: brainly.com/question/18661218#SPJ1