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The frieze of the Doric order is not taken up with sculpture in uninterrupted succession, but it occurs in groups at regular intervals, separated by features called triglyphs (a). The spaces formed between the triglyphs are called metopes (b).

Doric Order Frieze in the Parthenon at Athens

The frieze of the Doric order is not taken up with sculpture in uninterrupted succession, but it occurs…