What Does a 20x Wagering Requirement Actually Mean?

https://wool-wiki.win/index.php/Can_You_Actually_Win_Real_Money_With_a_%C2%A31_Casino_Deposit%3F

Here's the thing: if you're dipping your toes into online gaming bonuses or promotions, you’ve probably encountered terms like '20x wagering requirement' and wondered what they really entail