[Vuejs]-Vue JS and Quasar: what is the @functionname in router-view?

Based on your VueRouter paths will render the component you have putted in the path you are. you can have nested if your VueRouter have childrens check vue router documentation it may be useful to understand
https://router.vuejs.org/guide/essentials/nested-routes.html
https://router.vuejs.org/api/#router-view