Tripartite motto
Definition - A motto or a slogan in the form of a hendiatris, i.e. a phrase that adds emphasis by using three words to express one idea.

Example -

(1) Liberté, Égalité, Fraternité (the French Republic's motto)
(2) Location, location, location (the real-estate buyer's motto)
(3) of the people, by the people, for the people (from Lincoln's Gettysburg Address)

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