Side by side
Pick up to 5 terms. Seeing them next to each other is the fastest way to learn the difference.
Open back
The back is left mostly bare, from the shoulder blades to the waist.
Low back
The back neckline dips well below the shoulder blades but the back stays closed at the waist.
Racerback
Straps meet in a narrow Y between the shoulder blades, leaving the shoulders free.
Strappy back
Several thin straps layered or caged over a bare back.