This guide explains how paylines differ from cluster wins, which symbols wilds...

https://dearblessings.com/slot-game-rules-the-details-behind-wilds-scatters-and-special-features/

This guide explains how paylines differ from cluster wins, which symbols wilds can replace and where their limits apply, how scatters start bonus features, and why a rising meter is only a counter, not a promise of a payout.