Found a page which contains various descriptions concerning the system and rules:
http://www.chromatrix.com/html/tde-mobile.html
Everything is explained with much detail, much better than I could !
I think it is focused on the 4th edition, I think, although some points can be applied to any edition.
http://www.chromatrix.com/html/tde-mobile.html
Everything is explained with much detail, much better than I could !
I think it is focused on the 4th edition, I think, although some points can be applied to any edition.