If the example I gave is what you mean by the question, then it would be a comma. I hope this helps!
Ex:
"It gives us goosebumps",
Ty for the points xjjcjcjsja
Answer: Hope my explanation helps and its from Google I dont own :)
Explanation: How to Diagram a Sentence in 5 Steps
Start with two lines. Draw a horizontal line cut in the center by a vertical line. ...
Add the subject and predicate. For a basic sentence, start with a simple subject and a verb phrase. ...
Build on your independent clause. ...
Add modifiers. ...
Make your sentence more complex.
The purpose of flipping through a literature anthology isi to help you :
Generate Topic
This will potentially served as your cube of inspiration from your literature
Hope this helps