Difference between Twenty-eight and Cardinal

Twenty-eight

Part of speech: numeral

Definition: Arabic numerals: 28 Roman numerals: XXVIII

Cardinal

Part of speech: adjective

Definition: Of fundamental importance.Of or relating to the cardinal directionsDescribing a number used in counting, e.g., one, two, three.Having a bright red color (from the color of Catholic cardinals' cassock).

Part of speech: noun

Definition: A number indicating quantity, or the size of a set, e.g., one, two, three. (See Wikipedia article on Cardinal number.)An official in the Catholic Church, ranking only below the Pope and the patriarchs. (See Wikipedia article on Catholic cardinals.)A songbird of the finch family, Cardinalis cardinalis.Any of various related passerine birds of the family Cardinalidae. (See Wikipedia article on cardinal birds.)A shade of red associated with the birds of the same name.

Example sentence: Punctuality is one of the cardinal business virtues: always insist on it in your subordinates.