An icon is a symbol equally incomprehensible in all human languages An icon is a symbol equally incomprehensible in all human languages. There's a reason why humans invented phonetic languages. Jef Raskin, Steve Jobs iconographysymbols
Head and hand The blueprint signaled a decisive disconnection between head and hand in design: the idea of a thing made complete in conception before it is constructed. Richard Sennett, The Craftsman The preliminary sketch design