The refund terms of use vary depending on the platform or service you are referring to. Typically, refund terms are outlined in the Terms of Use or Terms and Conditions document provided by the platform or service provider. To find the refund terms, you can follow these steps:

1. Visit the website of the platform or service you are interested in.
2. Scroll to the bottom of the page and look for links such as "Terms of Use," "Terms and Conditions," or "Refund Policy." Sometimes, these links can be found under the "Legal" or "Policies" section.
3. Click on the appropriate link to access the document.
4. Once you've accessed the Terms of Use or Refund Policy, search for keywords like "refund," "cancellation," or "return" to find the specific refund terms.
5. Read through the terms to understand the conditions, eligibility, and procedures for obtaining a refund.

Remember that each platform or service provider may have different refund policies, so it is important to review the specific terms of use that apply to your situation. If you have any specific platform or service in mind, I can help provide more specific information or guide you further.