Switch relates to switching dom and sub, vers is versatile which relates to ppl being fine with topping and bottoming. But people in fandoms incorrectly use switch when they mean vers which is where it gets confusing 😭 i swear there's a graphic that makes the rounds on twt every month that explains the difference but it seems to never be read by those who need it the most 💔 like I love switch jaemjen for example because I love both dom and sub jn and jmn, but I dont like vers jaemjen because my boy jn is not topping oh lord 😭