User talk:Ravenross

February 2021
Hello, I'm Paper9oll. I wanted to let you know that one or more of your recent contributions&#32;to Yang Se-chan have been undone because they did not appear constructive. If you would like to experiment, please use your sandbox. If you have any questions, you can ask for assistance at the Teahouse.    — Paper9oll  (📣 • 📝)  13:22, 22 February 2021 (UTC)

I'm afraid I don't understand. What is sandbox? Ravenross (talk) 14:53, 22 February 2021 (UTC)