The term "hacen" is the third-person plural form of the verb "hacer" in Spanish, which means "to do" or "to make." It is commonly used in various contexts, such as describing actions performed by a group of people or things. For example, "Ellos hacen la tarea" translates to "They do the homework." In Spanish grammar, "hacen" is used in the present tense. It can refer to both masculine and feminine subjects, making it versatile in conversation. Understanding how to use "hacen" is essential for effective communication in Spanish, especially when discussing activities or tasks involving multiple subjects.