Assuming you meant explanatory text and not exclamation text, the answer would be brackets. For example, say your quotation is "She wrote the book." If you are quoting this directly in a paper, you want your audience to know who "she" is. So, you use brackets, and write the following: "[J.K. Rowling] wrote the book." Hope this helps.
That you've been all around the world multiple times
Answer:
Killua didn't like the unpleasant big chocolate robot he ate, so he ran away from the chocolate robot :3
//side note: literally killua//
Explanation:
:3
The <span>homonyms, which sound the same but are spelled differently and mean different things, are "blew" and "blue."</span>