Thank you very much for your answer, I think I have managed to understand how I should do twinw to be able to use it in renpy, except for the numerical variables, which I cannot find the way to perform calculations with them, such as sum of variables. I am sending you the file by mail, but I wanted to thank you openly for your quick response, and this tool that will help me a lot to try to create my visual novel in an orderly manner.