"Il" is a French pronoun that translates to "he" in English. It is used to refer to a male person or a subject that is masculine in gender. In French grammar, "il" is often used as the subject of a verb, helping to form sentences that describe actions or states related to a male individual or a masculine noun. In addition to its use as a pronoun, "Il" can also refer to the third-person singular form of verbs in the present tense. For example, in the sentence "Il mange," which means "He eats," "mange" is the verb form that corresponds to "il." This structure is essential for constructing clear and grammatically correct sentences in the French language.