Tau is the 19th letter of the Greek alphabet and is commonly used as a symbol for time. In Homer's Odyssey, Telemachus is the son of Odysseus and Penelope. He is portrayed as a young man who is trying to find his father and restore order to his home. Telemachus is a symbol of perseverance and determination in the face of adversity. The term 'T to Telemachus' is a reference to the journey of Telemachus and his struggles to find his father.