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

https://paxtonsexpertop-ed.zenbloomer.com/posts/how-to-figure-out-what-a-special-symbol-does-in-2-minutes

This guide explains how paylines differ from cluster wins, which symbols wilds can replace, and how scatters start bonus rounds. It also shows why a filling meter can track progress without promising a win is coming.