Which three types of objects should you use? (Each correct answer presents a complete solution

You are developing a web application that uses web workers to process images extracted from an HTML5 CANVAS object on a web page.
You need to pass messages between the web workers and the web page.
Which three types of objects should you use? (Each correct answer presents a complete solution. Choose three.)

A.
JSON

B.
Window

C.
Parent

D.
String

E.
JavaScript

F.
DOM