The visceral level is immediate and pre-cognitive — the gut reaction to form, colour, and texture before any rational evaluation occurs. This is why packaging design matters at point of sale, why the first-launch experience of an app is disproportionately influential, and why industrial designers obsess over the sound of a car door closing.
The behavioral level is where function lives — the pleasure of using something that works exactly as expected, with the right feedback at the right moment. Microinteractions are the currency of behavioral design: the subtle bounce of an icon, the sound of a sent message, the resistance in a scroll that tells you you've reached the end.
The reflective level is the story we tell ourselves about what we use. Apple products do not just function — they signal something about the person using them. This is the domain of brand, meaning, and identity. It is also the most fragile: a single bad experience can rewrite the reflective narrative permanently.