Your answer is paraphrasing information without citing.
When you use a quote without citing, it is plagiarizing a quote. Therefore, that choice is incorrect.
When you buy an essay online, that is plagiarizing. If you bought an essay, you will be copying of another person's work, and that is know as plagiarism.
If you don't cite information properly, it's not exactly plagiarizing but it still counts because if you don't cite properly, it can lead to many things.
When you paraphrase information, you write it in your own words. As long as you don't copy anything, you're fine.
Therefore, your answer is paraphrasing information without citing.