in this context, it's being used more in the "spirit" than in the traditional direct physical resemblance. In this context, the "spirit" is indicating that sim

in this context, it's being used more in the "spirit" than in the traditional direct physical resemblance. In this context, the "spirit" is indicating that simulating a "mac window", which serves no major purpose in elucidating source code, which is analogous (but not strictly identical, of course) to simulating physical buttons in another context.