It's not "the" monoid in the category of endofunctors though, just "a" monoid. That also describes Applicative (less powerful) and Arrow (more powerful).
A monad is like when your cat poops on the carpet, so you wrap your cat in toilet paper. Then your cat has kittens, and the kittens are born with toilet paper wrapped around them!
No here’s a better explanation:
A monad is like when you have a clock, but it’s broken and goes too fast. So you rewind it, and the next morning you wake up and it’s 5000 BC.
Or here’s a better explanation:
A monad is like when Donald Trump won the election, and then stacked the Supreme Court, and now we’re totally fucked!
