Vue v-slot - w3schools.com
It’s use cases include using both Vue and React in one app, migrating from React to Vue or from Vue to React, and using third-party Vue and React Components, such as antd, element-ui, vuetify. ...
react-slot-machine - npm
Swiper React provides useSwiper hook to easliy get the Swiper instance in components inside of Swiper: ... Swiper React uses "slots" for content distribution.
Slots
In this Vue tutorial we learn how one component can embed content in another with slots.