Learn how paylines differ from cluster wins, which symbols wilds can replace,...
https://varimail.com/articles/does-a-nearly-full-meter-mean-the-bonus-is-about-to-hit/
Learn how paylines differ from cluster wins, which symbols wilds can replace, and how scatters start bonus rounds. The article also explains why a rising meter may show progress, but never guarantees a win is due, with clear examples.