It does exist....

I've never tried it myself, but there are people who view dance steps in CAD ​​or drawing programs, so you can see how and where the gentleman and the lady must place their feet exactly. My experience with recording and description of steps and figures:

    * If you are trying to decipher what someone else has made ​​, it rarely succeeds, except perhaps for the basic steps and figures that you know (well), (and so it is unnecessary)
    * If you record exactly how to do it, then you know it and you really do not need to register. So to learn and adapt moves it's a good idea to write them down on paper or in a software package yourself. I have pages of them on my word processor, and sometimes it helps to get it back, to fish forgotten figures. But just as often, I do not remember what I've noted.