Body type advice can easily become overly prescriptive. The more useful framing is understanding a few general principles, then applying what actually feels right for you.
Do "body type rules" actually apply to everyone?
Not strictly — they're general tendencies based on common body shapes, not fixed rules. Comfort and personal preference matter more than following a rule rigidly.
How does defining the waist affect an outfit's silhouette?
Defining the waist — through a belt, tucked-in top, or fitted piece — tends to create a clearer shape regardless of body type, since it gives the outfit a visible shape.
Does a fitted or loose shape work better generally?
Neither is universally better — a mix usually reads best. Pairing one fitted element with one looser element (like a fitted top with wide-leg pants) balances the outfit more than going all-fitted or all-loose.
How much does personal comfort matter compared to "flattering" advice?
A lot. An outfit you're not comfortable moving in rarely looks as good as one you can wear naturally, regardless of how technically "flattering" it's supposed to be.
What's the simplest starting point for dressing your body type?
Notice which shapes you already feel confident in, and look for more of that — rather than starting from a generic chart.