Magento 2.0 is a modular system as you can see. That is why it is important to maintain all the code organized, and it couldn't be different with Magento extensions. In previous chapters you saw all the directory structure of Magento, but now let's give special attention to the basic Magento module file structure:
In order to create a new extension according to the preceding image, we must create the same directory structure. However, how will they interact with the Magento system?
Some of these directories have an important role to play in the Magento system. They are directories that are responsible for providing basic functionalities and coupling between modules and the Magento system:
Block: Blocks are View classes that are responsible for providing visualization layers between the logical and frontend layer.Controller: These control all the actions of the Magento. Web servers process the requests and Controller redirects them to specific modules according...