Please explain ॐ ऋषभ-अजित-संभव अभिनंदन-सुमति-पद्मप्रभ-सुपार्श्व-चंद्रप्रभ-सुविधि-शीतल-श्रेयांस-वासुपूज्य-विमल-अनंत-धर्म-शांति-कुंथु-अर-मल्लि-मुनिसुव्रत-नमि-नेमि-पार्श्व-वर्द्धमानान्ता जिनाः शान्ताः शान्तिकरा भवन्तु स्वाहा ।

Certainly! The mantra you provided is a revered Jain prayer, often called the "Chattari Mangalam" expanded with the 24 Tirthankaras' names" or simply the Namokar Mantra with Tirthankara Names. Here’s a breakdown and explanation:

Text (Transliteration):

ॐ ऋषभ-अजित-संभव अभिनंदन-सुमति-पद्मप्रभ-सुपार्श्व-चंद्रप्रभ-सुविधि-शीतल-श्रेयांस-वासुपूज्य-विमल-अनंत-धर्म-शांति-कुंथु-अर-मल्लि-मुनिसुव्रत-नमि-नेमि-पार्श्व-वर्द्धमानान्ता जिनाः शान्ताः शान्तिकरा भवन्तु स्वाहा ।

Meaning:

• ॐ: A sacred sound, signifying the supreme, auspicious, and the essence of the universe.
• ऋषभ-अजित-संभव... वर्द्धमान: These are the names of the 24 Tirthankaras (spiritual victors or Ford-makers) of the present time cycle in Jainism. Reciting their names is an act of deep reverence and remembrance of their virtues.
• जिनाः: Refers to the "Jinas"—those who have conquered inner passions like anger, greed, ego, and deceit, and have attained perfect knowledge (Kevala Jnana).
• शान्ताः शान्तिकरा भवन्तु: "May these peaceful ones, who bestow peace, be (present/with us/bless us)." It is an invocation for peace and blessings from the Tirthankaras.
• स्वाहा: A Sanskrit term often used at the end of mantras to offer reverence, dedication, or to mark the completion of a prayer.

Detailed Explanation:

In Jainism, the 24 Tirthankaras are the supreme spiritual teachers who have shown the path to liberation (moksha). By reciting their names, a practitioner expresses devotion, seeks their blessings, and aspires to follow the path of right conduct, knowledge, and faith.

The mantra is essentially a prayer wishing that the qualities of the Tirthankaras—peace, compassion, detachment, and victory over the cycles of birth and death—may also manifest in the devotee's life and bring about spiritual peace.

List of 24 Tirthankaras (as mentioned in the mantra):

1. ऋषभ (Rishabha)
2. अजित (Ajita)
3. संभव (Sambhava)
4. अभिनंदन (Abhinandana)
5. सुमति (Sumati)
6. पद्मप्रभ (Padmaprabha)
7. सुपार्श्व (Suparshva)
8. चंद्रप्रभ (Chandraprabha)
9. सुविधा (Pushpadanta/Suvidhi)
10. शीतल (Sheetal/Shitalanatha)
11. श्रेयांस (Shreyansa)
12. वासुपूज्य (Vasupujya)
13. विमल (Vimalanatha)
14. अनंत (Anantanatha)
15. धर्म (Dharmanatha)
16. शांति (Shantinatha)
17. कुंथु (Kunthunatha)
18. अर (Aranatha)
19. मल्लि (Mallinatha)
20. मुनिसुव्रत (Munisuvrata)
21. नमि (Naminatha)
22. नेमि (Neminatha)
23. पार्श्व (Parshvanatha)
24. वर्द्धमान (Vardhamana—another name for Mahavira)

Purpose:

This mantra is chanted for spiritual purification, peace, and the well-being of oneself and all beings. It is an important part of Jain daily prayers, symbolizing humility, devotion, and a wish for the spread of peace as embodied by the Tirthankaras.

In summary: This is a Jain prayer listing the 24 Tirthankaras, invoking their peaceful and peace-bestowing nature, and seeking their blessings for inner and outer peace.