The waltz is a typical three-step dance, which can be interpreted as a slow three;
The slow four-step is really slow, and people who don't have a little bit of skill to dance a slow four-step will probably be in a senior citizen's state;
The middle four-step belongs to the middle speed, which is more relaxed and leisurely, and the speed is almost the same as that of the tango, but the momentum and the feeling will be far away;
The fast four-step is so fast, it's very fast,
Unpracticed people can only fall down or step on their feet. If you haven't practiced it, you'll just fall down or step on your feet