If your target audience is a general population, you should not be using icons alone to convey anything meaningful. By doing so, you have made assumptions that are unlikely to be appropriate to a general audience.
I'm a biomedical and electrical engineer with interests in information theory, complexity, evolution, genetics, signal processing, theoretical mathematics, and big history.
I'm also a talent manager-producer-publisher in the entertainment industry with expertise in representation, distribution, finance, production, content delivery, and new media.
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