The two of you are talking past each other :) Component _types_ are defined as either classes (`class MyComponent extends React.Component`), or functions (`fun

The two of you are talking past each other :) Component _types_ are defined as either classes (`class MyComponent extends React.Component`), or functions (`function MyComponent(props) {}`). Internally, React has a "Fiber" data structure that stores references to that component type for each component instance, as well as a lot of other metadata. That's the _real_ "component tree": - https://blog.isquaredsoftware.com/2020/05/blogged-answers-a-mostly-complete-guide-to-react-rendering-behavior/#component-metadata-and-fibers https://blog.isquaredsoftware.com/2020/05/blogged-answers-a-...