I commend the author for one of the clearest explanations I've seen so far, written to explain rather than impress. Even an idiot like myself understood what is

I commend the author for one of the clearest explanations I've seen so far, written to explain rather than impress. Even an idiot like myself understood what is explained. Two things that I felt were glanced over a bit too fast were the concept of embeddings and that equation and parameters thing. Consider elaborating a bit more or giving an example