measure word, numeral, adjective, verb, noun, place name, pronoun, particle, punctuation, modal particle, directional · general classifier used before nouns that have no specific classifier

我在超市买了一个又大又红的苹果。

pronoun, measure word, punctuation, numeral, verb · used in the phrase for oneself (自个儿 zì​gě​r)

他自个儿在那儿坐着呢。

measure word · particle used between a verb and an adjective or adverb (like 不停 bù​tíng) to emphasize the degree or manner of an action

两人为了这个问题争个不停。