Certainly! Here are some of the most important terms in Jainism:

1. Jiva – The soul or living being; regarded as eternal and capable of liberation.
2. Ajiva – Non-living substances, such as matter, time, space, motion, and rest.
3. Karma – Subtle matter that attaches to the soul due to actions, causing bondage and cycle of rebirth.
4. Ahimsa – Non-violence; the fundamental ethical principle in Jainism.
5. Anekantavada – The doctrine of manifold aspects; recognition that truth and reality are perceived differently from diverse points of view.
6. Syadvada – The theory of conditioned predication; every statement is true in certain conditions, ways, or perspectives.
7. Tirthankara – Spiritual teachers who have attained liberation and guide others; 24 in each half-cycle of time.
8. Moksha – Liberation from the cycle of birth and death (samsara); the ultimate goal in Jainism.
9. Samyak Darshana, Samyak Jnana, Samyak Charitra – Right faith, right knowledge, and right conduct; the path to liberation.
10. Sallekhana – Voluntary and peaceful fasting to death, undertaken with detachment at the end of life.
11. Digambara and Svetambara – The two main sects of Jainism, differing in practices and customs.
12. Mahavratas and Anuvratas – Great vows for monks/nuns and lesser vows for laypeople, respectively.
13. Paryushana – The most important annual festival, focusing on spiritual upliftment and penance.
14. Samavasarana – The divine preaching hall created for a Tirthankara after attaining omniscience.
15. Nirvana – State of perfect peace and liberation, synonymous with moksha in Jainism.

These terms form the core concepts and vocabulary of Jain philosophy and practice.