The term "does" is a form of the verb "do," used primarily in the third person singular present tense. It helps to form questions and negative statements. For example, in the question "Does she like ice cream?" the word "does" indicates that the subject is she and the action is related to liking ice cream. In addition to its use in questions, "does" can also be used to emphasize an action. For instance, in the sentence "He does enjoy reading," the word "does" emphasizes the enjoyment of the activity. This usage highlights the importance of the action being discussed.