I am not sure which one I should use, please help me. How it works? How does it work?



Either is a suitable title, but only "how does it work" is a question to be written with a question mark.

  • How it works

  • How does it work?

"How does it work?" as a title before an explanation of how something actually works is a form of rhetorical question. Many people find a question as a title grabs attention as it makes clear the question you are going to answer. Although in my opinion, "How it works" makes it just as clear what you are going to discuss next. It really is a matter of personal choice.

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