Lately, I've been studying design patterns and architectural approaches, and I'm gradually starting to notice that many things I've been using in Laravel for years actually have specific names.

One of these patterns is  Active Record.

Lately, I've been spending quite a lot of time learning about design patterns and software architecture.

And the deeper I go, the more often I come across two concepts that seem to be behind almost everything: coupling and cohesion.

They may sound abstract at first, but they actually describe two very practical things:

How strongly are different parts of the system dependent on each other, and how well do the responsibilities inside a component belong together?