> the building of the underlying structure as a separate list of nodes from what is displayed This is how the Virtual Node tree is constructed. One case could

> the building of the underlying structure as a separate list of nodes from what is displayed This is how the Virtual Node tree is constructed. One case could be a React.createElement call that creates a virtual div node. You can visualize it by going to this page (Scroll down to the REPL section): https://millionjs.org/docs/api/basics/m https://millionjs.org/docs/api/basics/m > a sort of buffered visual rendering on the (presumably more powerful) server that was used to determine exactly which elements needed to be rendered for the given view, then passing the associated DOM tree nodes to the browser for actual rendering This is called hydration: https://en.wikipedia.org/wiki/Hydration_(web_development) https://en.wikipedia.org/wiki/Hydration_(web_development)