pattern (nom)
Sens 1 : a form or model proposed for imitation: exemplar. [source : MW]
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Sens 2 : a reliable sample of traits, acts, tendencies, or other observable
characteristics of a person, group, or institution. [source : MW]
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Sens 3 : a discernible coherent system based on the intended interrelationship of
component parts. [source : MW]