Hacer is a versatile verb in Spanish that means "to do" or "to make." It is an irregular verb, which means its conjugation does not follow standard patterns. In the present tense, the first-person singular form is hago, while the third-person singular form is hace. In addition to its basic meanings, hacer is used in various expressions and idiomatic phrases. For example, "hacer ejercicio" means "to exercise," and "hacer la tarea" translates to "to do homework." Understanding hacer is essential for effective communication in Spanish.