Ma'anar ƙamus na kalmar "amfani" shine aikin yin nagarta ko yin ayyuka masu inganta jin daɗin wasu. Ana amfani da shi sau da yawa a cikin mahallin ɗabi'a ko ƙa'idodin ɗabi'a, musamman a fannin likitanci, aikin zamantakewa, da sauran sana'o'in taimako, don komawa ga wajibcin yin aiki cikin mafi kyawun amfanin waɗanda ake yi wa hidima. Hakanan za'a iya amfani da kalmar a fili don bayyana duk wani aiki ko ɗabi'a da aka yi niyya don amfanar wasu ko taimakawa wajen jin daɗin rayuwarsu.