Interface Object ↔ Object to interact with API by expose Method & Property Key
aka Interface
References
HTMLElement↔ Interface Object to repElementin HTMLContext↔ Interface Object to share data to all SubscribingchildrenHistory Object↔React Router APIInterface Object to Subscribe URL change & manipulate History StackReactDOMServer↔ReactDOM APIInterface Object to render FC to static HTMLWorker↔ Interface Object to rep bg task, create via js, or spawn more workers