You’ve been looking at “Engagement Rate” in GA4 but still can’t decide what counts as an engaged session. Here is the cold truth: it’s a session that lasts longer than 10 seconds, has a conversion event, or has at least 2 pageviews. Read that again. The free reference at
https://accs-net.com/ breaks down every default metric so you can finally explain to your boss why bounce rate is dead.