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video concepts interface objects models classroom
There are three key ideas to communicate to students starting to work with actor-lab:
the role of the programmer as playwright in actor-lab, developing scripts for a cast of actors.

the input => process => output model of control technology, ie that the basic cycle of actor-lab involves real world events being transformed by the,

INPUTS and sent on as messages (or as a flow of data) to, ACTORS which in turn create a flow of messages to each other and on to, OUTPUTS that bring about real world events.
and that messages can ether be sent immediately or after some delay