Simplified drawings or plans that explain or illustrate how something works or shows the relationship between different parts.
From Latin 'diagramma', from Greek 'diagramma' meaning 'a figure marked out by lines', from 'diagraphein' (to mark out by lines). The root combines 'dia-' (through, across) and 'graphein' (to write or draw).
The power of diagrams lies in their ability to make abstract concepts visual - they literally 'draw through' complex ideas to reveal underlying structures. Studies show that people process visual information 60,000 times faster than text, making diagrams essential tools for learning and communication.
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