One of the most basic and fundamental models for application architecture is the Model-View-Controller (MVC) pattern. Many architectures leverage this pattern – whether in a Ruby on Rails, server-side application or a React front-end interface – so it’s important to understand how, why, and so what?

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MVC pattern influences the structure of your codebase, with, for example, a separate class for the Controller, the Model, and the View. The Model represents and handles the data your application needs to run, especially as an in-memory, partial and local representation of the data that lives in your database.

Understanding the Model-View-Controller (MVC) Pattern

2. WHY: Simplicity, Flexibility, and Reusability