What is “model”?

Model can be defined roughly as a miniature system which is the representation of a thing. In fact, There are various definitions of model and model types. Business model , economic model mathematical model computer model are just some examples of model types. business model is the most important of these .business model is a simplified definition of how a company does business without having to go into the complex details of all its hierarchies, workflows, strategy, processes, units, rules and systems. To conclude, model is the main object of system or concept.