The 21 modaks offered to Lord Ganesha symbolise these 21 aspects of wisdom, knowledge, and virtues mentioned in the Hindu philosophy, representing a holistic and spiritual completeness.

1. Jnana (Knowledge): Understanding the nature of the universe.
2. Vijnana (Higher Knowledge): Spiritual insight and enlightened wisdom.
3. Buddhi (Intellect): The power of rational thought and decision-making.
4. Pragya (Wisdom): Practical wisdom that applies knowledge effectively.
5. Dhairya (Courage): The ability to face challenges with bravery.
6. Dhyana (Meditation): The practice of focused and deep contemplation.
7. Shanti (Peace): Inner tranquility and harmony.
8. Shraddha (Faith): Deep trust and belief in the divine.
9. Bhakti (Devotion): Unwavering devotion and love for the divine.
10. Samadhi (Union): A state of meditative consciousness and self-realization.
11. Sankalpa (Resolution): Determined intention and purpose.
12. Utsaha (Enthusiasm): Zeal and energy in all endeavors.
13. Sama (Equanimity): Maintaining balance and calm in all situations.
14. Daya (Compassion): Deep empathy and kindness towards all beings.
15. Ananda (Bliss): Experiencing true joy and contentment.
16. Satya (Truth): Commitment to truthfulness and honesty.
17. Kshama (Forgiveness): The ability to forgive and let go of grievances.
18. Karuna (Compassionate Action): Putting empathy into action.
19. Tyaga (Renunciation): Letting go of attachments and desires.
20. Santosha (Contentment): Being satisfied and at peace with what one has.
21. Moksha (Liberation): The ultimate goal of spiritual freedom and enlightenment.

These forms of wisdom collectively represent a holistic and comprehensive approach to life, integrating intellectual, emotional, and spiritual dimensions. Offering them to Lord Ganesha signifies seeking his blessings to cultivate and embody these virtues in one's life.