When you play online slots, the RTP tells you how much you can expect back over...

https://fantasynamezone.com/why-players-are-paying-more-attention-to-how-online-games-actually-work/

When you play online slots, the RTP tells you how much you can expect back over time—usually around 95-97%. Volatility shows how often and how big wins might be, so low means steady payouts and high means rare but chunky hits