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.
Answer:
<h2>will see you tomorrow</h2>
Explanation:
<h3>i think it would helpful to you</h3>
Answer:
Authors revise their work because they need to review a text/writing for spelling, grammar and punctuation errors so they dont confuse the reader.
