Final answer:
To get the big picture, you need to identify the context, main idea, and supporting details.
Step-by-step explanation:
The relevant objects to identify when getting the big picture are: context, main idea, and supporting details. Understanding the context helps provide a deeper understanding of a text, while the main idea helps summarize the central message or theme. Supporting details provide evidence and explanation to support the main idea. Therefore, the correct answer is 4) All of the above.