Array ↔ Global Object Prototype for Array data type
JSON ↔ Global Object API to acccess Static Method to convert/parse JSON
Front-End App (JS) ↔ App to Execute in Browser Runtime with access to window (Global Object)
Math ↔ Global Object with built-in mathematical constants & functions
RegExp ↔ regex Global Object to make Regular Expressions in JS
External System ↔ e.g. DOM API element, Global Object, fetch request
Location ↔ location Global Object for window instance
window ↔ Interface to rep Browser. Global Object to access most global properties & methods
Autoboxing ↔ Global Object Wrapper for Primitive to share methods & properties