Definitions for "Categorical variable"
A variable which places the observations in categories, e.g. gender, colour of M&M's, type of fish
a variable whose values indicate a category to which an observation or an object belongs; may be nominal (e.g. eye colour), ordinal (e.g. low, medium, high), or cyclical (e.g. Monday, Tuesday, ... Sunday).
a discrete variable
Keywords:  yes, belongs, race, car, instead
A piece of information that can be put in a single category, instead of being given a number: for example, the information about whether a person owns a car or about whether the person belongs to a certain race can be put in the category of “yes” or the category of “no.
a character string which has a limited number of values specified as an ordered list