Using the outline below, draw a circular-flow diagram representing the interactions between households and firms in a simple economy. Explain briefly the various parts of the diagram. 
Definitions:
Forebrain
The anterior part of the brain, including the cerebrum and structures related to it, responsible for complex cognitive, sensory, and motor functions.
Cerebral Cortex
The outermost layer of the brain, involved in high-level functions such as sensory perception, cognition, and motor control.
Occipital Lobe
The portion of the cerebral cortex located at the back of the brain, responsible for processing visual information.
Wernicke's Area
A region of the brain that is important for language development and comprehension, located in the temporal lobe.
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