noun. / ˈpəːpəs/. the reason for doing something; the aim to which an action etc is directed. tujuan. What is the purpose of your visit? the use or function of an object. fungsi. The purpose of this lever is to stop the machine in an emergency. Purpose of descriptive text. The purpose of writing a descriptive text is to describe and reveal a particular person, place, or thing. Tujuan dari teks deskriptif adalah untuk menggambarkan dan menunjukkan seseorang, suatu tempat, atau suatu hal. jJVD.