It can be confusing to understand, but it’s important to recognize this abbreviation. RS = Right Side and that’s the public side. WS = Wrong Side and that’s the back side.
It’s also good to know that you won’t always see this and sometimes it will be up to you. In fact, I’d say that it’s often not included. Even pieces that are reversible tend to have a RS and a WS…
This is just a sampling of what’s in our Crochet 101 PDF!