A definition that is too broad refers to a logical error that occurs during the definition of a concept due to insufficient restrictions on the connotation of the concept. According to the above definitions, Which of the following are too broad definitions:. ['Commodities are products exchanged by currency in modern society.', 'People are animals living in groups.', 'Opportunists are people who advocate opportunism.', 'The so-called breath is the material form of the income generated from the original, and the original refers to the material that produces the breath.']