They typically have fabric that covers the upper half of the bum, leaving the bottom of your buttocks exposed (preventing a panty line). The ‘thong’ part of the g-string is also very thin, so the only fabric is pretty much a small triangle in the front.
There are three general styles of thong: the traditional, the g-string, and the tanga/samba. If you’re new to the thong world, you’ve likely been exposed to various thong vernacular, but have no clue what it means.
Know about the different types of thongs.