The correct answer is: Any language taken directly from the source.
In a research paper, anything that is taken directly from a source should be placed inside quotation marks. This way, you are acknowledging that you cited some sources and these are not you're own words. It will help you avoid plagiarism as well.
You can find it in the front of a dictionary
Explanation:
Of coarse there is alot you benefit like there lots of chances of you getting a job. during interviews,only those who have good public speaking skills pass because you have to explain in detailed form,like you have to be confindent and you can only be confident if your speaking skills are good
there are some opportunities like polities whereby only people with good public speaking skills can pass