What Is the Difference Between a Producer and a Consumer?

Ruth millikin was thinking more generally of representation in the animal world. She says, what you need is a producer system and a consumer system. And then it's very clear that the signal means what it does because of the way it makes the consuming monkeys behave. But then you could just stick it inside the head of one organism. Here i am. The producing system is my visual system,. Consuming system is my my motor control system, on behavior system. So when this a, i'm thirsty, and the signal makes me reach out and raise it to my lips, that shows that the signal mean there's a glass of water within reacha. It aims to to explain