1.Age (i.e., length of time a person has lived up to the time under consideration) or tenture of ascetic life.
paryāyo janmakālaḥ pravrajyākālo vā.
(Sthā 5.32 Vṛ Pa 340)
2.Mode- Forfeiture of the preceding and attainment of the succeeding state (by the Dravya (substance) or the Guṇa (quality)).
pūrvottarākāraparityāgādānaṃ paryāyaḥ.
(Jaisidī 1.40)