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.
<span>A monism holding to the unity of the world </span>
<span>in order for a fictionalized story to be based on real events, the author should include : Historical Material
Historical material could range to anything from A Legitimate written record from the period when the event was happened or it could be from direct testimonies that beind told from someone or some group that directly involved in the event</span>