The training manual provides a list of notation (e.g., 1.Nf3 d5 2.c4).
As one chess improvement resource notes, while the skill to visualize moves is crucial, it must be supported by other fundamental chess skills. The Visualwize approach is positioned as one of the "7 Fundamental Chess Skills" that every serious player needs to develop.
: Re-calculating the same candidate moves out of self-doubt drains massive amounts of time from your chess clock.
: Eliminate all distractions. Visualization requires intense focus and heavily taxes your brain's working memory.