The word "has" is a verb that indicates possession or ownership. It is the third-person singular form of the verb "have." For example, in the sentence "She has a cat," the word "has" shows that she owns or possesses a cat. In addition to indicating possession, "has" can also be used to describe experiences or characteristics. For instance, in the sentence "He has traveled to France," it implies that he has the experience of visiting France. This usage helps convey information about someone's life or attributes.