The ears, skin, eyes, tongue, and nose forming the fifth, are the senses of knowledge. These exist for apprehending their respective objects.
कर्णी त्वक् चक्षुषी जिह्वार नासिका चैव पञ्चमी। दर्शनीयेन्द्रियोक्तानि द्वाराण्याहारसिद्धये॥