When I first started with Zaino, I did not polish or glaze. At the time, I was very confused about polish and glaze. And now, after reading some more I think I'm even more confused.
What I did in the past was:
Dawn wash, Clay, Dawn wash, Dry, ***, Z5/ZFX, Z6, Z2/ZFX, Z6, Z5/ZFX, Z6...