Does YouTube allow us to create a backlink?

What are the ways that we can use to create backlink to YouTube? I tried to get the factor that I can use to create through Video Uploading, commenting on videos etc. :cool:

Before you ask here what YouTube’s terms and policies are, please check with them. Then if you have a specific question where you can’t find the answer through their FAQs and TOS, feel free to come back here and ask for help resolving your issue.