Wiktionary
TOPOS, noun. A literary theme or motif; a rhetorical convention or formula.
TOPOS, noun. (mathematics) A certain mathematical structure found in category theory.
Dictionary definition
TOPOS, noun. A traditional theme or motif or literary convention; "James Joyce uses the topos of the Wandering Jew in his Ulysses".
Wise words
Occasionally in life there are those moments of unutterable
fulfillment which cannot be completely explained by those
symbols called words. Their meanings can only be articulated
by the inaudible language of the heart.
