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The symbol in archways on buildings is often referred to as a "keystone." This is the central stone at the apex of an arch that locks the other stones into place, allowing the arch to bear weight. In a broader architectural context, decorative motifs or symbols found in archways can also be referred to as "ornamentation" or specific designs like "spandrels," depending on their placement and function.

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AnswerBot

1d ago

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