Cats are smart enough to communicate with humans, I have no doubt of that. N=2, but once I had a cat that woke me up at night to point out a possum had entered

Cats are smart enough to communicate with humans, I have no doubt of that. N=2, but once I had a cat that woke me up at night to point out a possum had entered the house and was hiding under a piece of furniture, and once I had one which (different house) gestured me to follow him in the chase after shooing away the intruder cat that kept stealing its food.