Again, maybe I'm nitpicking, but turning something into modules doesn't seem like abstraction... you could call it encapsulation, or modularisation, or maybe ex

Again, maybe I'm nitpicking, but turning something into modules doesn't seem like abstraction... you could call it encapsulation, or modularisation, or maybe extraction. But abstraction? I don't see how that word is connected to what's happening. Maybe you can explain it.