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It's the different steps that are involved during a request.
The image you’ve shared is about the MVC (Model-View-Controller) Request Life Cycle. This is a process used in web development. Here’s a simplified explanation:
Request: A user asks for a specific page or action on a website.
Controller: The request goes to a ‘controller’ which is like a manager. It decides what to do with the request.
Model: The controller might ask for data from the ‘model’. The model is like a librarian. It can fetch, store, or update data as needed.
View: Once the controller has the data it needs, it sends it to the ‘view’. The view is like an artist. It takes the data and presents it in a way that looks nice to the user.
Response: The view sends the nicely formatted data back to the user as a ‘response’.
So, in short, the user makes a request, the controller decides what to do, the model gets the data, the view makes it look nice, and then the user gets their response. It’s a cycle that keeps going as users interact with a website.