Covering your Arrsse and hugging the tops of your legs, with wide sides and a pouch to keep everything neat and tidy. Like a tight pair of shorts. 

Also knows as a brief or a bikini. With full coverage and thinner sides to give them shape, tending to cover the majority of your 'arrsse'. 

Also known as string bikinis, with material front and back with the waistband only on the sides and varying coverage for your 'arrsse'.

Triangular shaped material at the back with variable degrees of cheek exposure connected to the front with a thin strap of material between the Arrsse.

Minimal coverage, maximum exposure, with front and back joined with a string or a very thin elastic between the 'arrsse' and on the waistband. 

Also known as jockstrap and bottomless, have no back to speak of but have straps that go under your 'arrsse' to keep everything in place.