Understanding The Technique

As you recall basic sway is defined in the ISTD manual as follows:
Sway is normally the inclination of the body away from the moving foot and towards the inside of the turn - e.g. step 2 of Waltz Natural Turn.
And the definition I was taught is:
Sway is the natural inclination of the body from [...]

Unlike Rotation (or Turn) and Rise, which have a fairly rich set of language associated with their descriptions, SWAY is limited to a simple indication of none, right or left. The reality of SWAY is much more complex. Let’s start with the definitions.
In the ISTD manual sway is given as:
Sway is normally the inclination of [...]