The reply button to a specific topic on the forum displays the post to which we reply but there isn't any built-in type (tag or formatting in the editor) that allow us to quote a section of the previous message to make it clear which sections the comment or answers pertains too.

I think it could be good to have a quoting mechanism. I like to refer to the questions directly in my answers, to make sure I don't miss any points (and even this way I miss some from time to time) and to simplify reading (so people don't have to scroll back up or page to view the questions answered).