Given the question: Given the following passage  "The three marks of existence may reflect Upanishadic or other influences. K.R. Norman supposes that the these terms were already in use at the Buddha's time, and were familiair to his hearers.",  answer the following question. Note that the answer is present within the text.  Question: How are the traits of being alive described and represented numerically  in the text besides Upanishic
The answer is:
The three marks