My basic take-away from this read are a few key points. First that creating physical models of abstract ideas allows us to "refine and communicate" difficult concepts. We can’t really get a scope of how things will work or relate to each other without seeing some physical way of how things will relate to each other. Second that our roles as designers is to be an advocate or mediator for the audience between them and the system. Next that well designed communication objects need to engage with its audience. When we make aesthetic choices in our designs be it composition, text, symbols, color, etc., we need to make sure that it not only interacts with the audience, but that our meaning is embedded or can be implied through these choices. As designers we essentially create road maps or vessels that allow our designs to communicate to our audience.
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