When you quote something, you can just copy-paste it to a message in another thread. Another way, is to start your message, then go to another page and quote something (which will appear in your message for the original page).
For example, while typing this message, I went to the “How intuitive is OGS” thread and quoted you:
The owner of the review can give you control to edit it (by making new variations / adding move specific comments). They can give you control if you’re present in the review by opening the menu when clicking on your name:
