How does ZigZag returns work?

Can you please explain to me in detail how ZigZag returns actually work? I'm curious to understand the mechanism behind it and how investors can benefit from it. Specifically, how are the returns calculated and what factors influence the amount of returns that investors can receive? Additionally, are there any risks associated with ZigZag returns that investors should be aware of? I'd appreciate it if you could provide a clear and concise explanation.