How do bra measurements and sizes work? This makes no sense to me

Bra Fit Guide & Bra Size Chart — Measure Your Bra Size —

How are bra sizes measured? - Quora

What is a plunge bra? - Quora

My Bras Centre Panel Does Not Sit Flat

What does it mean when a bra band is loose? Does it mean the cup size is smaller? - Quora

Not All DD Cups are the same - How Bra Sizing Works - Mysmartypants

How To Measure Your Bra Size

How do bra measurements and sizes work? This makes no sense to me. - Quora

What are those bra cup sizes after A, B, C and D? - Quora

Is 34A (bra size) really flat? - Quora

How to Measure Your Bra Size: Bra Band and Cup Measurement Chart

How to Measure Bra Size – Bra Size Calculator & Chart