Sounds like they are talking about Quilt Fuse.
If you Google Quilt Fuse, you will see that it show directions as to how to use it.
I wouldn't just iron stuff on to a fusable web and then quilt it. In order for it to last, it needs the raw edges done and not exposed. I don't think if you did it the way she is talking, it would make a pretty quilt. Just my opinion